diff --git a/poetry.lock b/poetry.lock
index 912237f0eb9..33060d38e26 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3,7 +3,7 @@ name = "absl-py"
 version = "0.12.0"
 description = "Abseil Python Common Libraries, see https://github.com/abseil/abseil-py."
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [package.dependencies]
@@ -121,7 +121,7 @@ name = "astunparse"
 version = "1.6.3"
 description = "An AST unparser for Python"
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [package.dependencies]
@@ -279,7 +279,7 @@ name = "cachetools"
 version = "4.2.2"
 description = "Extensible memoizing collections and decorators"
 category = "main"
-optional = false
+optional = true
 python-versions = "~=3.5"
 
 [[package]]
@@ -702,7 +702,7 @@ name = "flatbuffers"
 version = "1.12"
 description = "The FlatBuffers serialization format for Python"
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [[package]]
@@ -751,7 +751,7 @@ name = "gast"
 version = "0.4.0"
 description = "Python AST that abstracts the underlying Python version"
 category = "main"
-optional = false
+optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
@@ -794,7 +794,7 @@ name = "google-auth"
 version = "1.30.1"
 description = "Google Authentication Library"
 category = "main"
-optional = false
+optional = true
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*"
 
 [package.dependencies]
@@ -813,7 +813,7 @@ name = "google-auth-oauthlib"
 version = "0.4.4"
 description = "Google Authentication Library"
 category = "main"
-optional = false
+optional = true
 python-versions = ">=3.6"
 
 [package.dependencies]
@@ -828,7 +828,7 @@ name = "google-pasta"
 version = "0.2.0"
 description = "pasta is an AST-based Python refactoring library"
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [package.dependencies]
@@ -1212,7 +1212,7 @@ name = "keras-nightly"
 version = "2.5.0.dev2021032900"
 description = "TensorFlow Keras."
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [[package]]
@@ -1220,7 +1220,7 @@ name = "keras-preprocessing"
 version = "1.1.2"
 description = "Easy data preprocessing and data augmentation for deep learning models"
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [package.dependencies]
@@ -1326,7 +1326,7 @@ name = "markdown"
 version = "3.3.4"
 description = "Python implementation of Markdown."
 category = "main"
-optional = false
+optional = true
 python-versions = ">=3.6"
 
 [package.dependencies]
@@ -1638,7 +1638,7 @@ name = "opt-einsum"
 version = "3.3.0"
 description = "Optimizing numpys einsum function"
 category = "main"
-optional = false
+optional = true
 python-versions = ">=3.5"
 
 [package.dependencies]
@@ -2003,7 +2003,7 @@ name = "pyasn1"
 version = "0.4.8"
 description = "ASN.1 types and codecs"
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [[package]]
@@ -2011,7 +2011,7 @@ name = "pyasn1-modules"
 version = "0.2.8"
 description = "A collection of ASN.1-based protocols modules."
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [package.dependencies]
@@ -2449,7 +2449,7 @@ name = "rsa"
 version = "4.7.2"
 description = "Pure-Python RSA implementation"
 category = "main"
-optional = false
+optional = true
 python-versions = ">=3.5, <4"
 
 [package.dependencies]
@@ -2676,7 +2676,7 @@ name = "tensorboard"
 version = "2.5.0"
 description = "TensorBoard lets you watch Tensors Flow"
 category = "main"
-optional = false
+optional = true
 python-versions = ">= 2.7, != 3.0.*, != 3.1.*"
 
 [package.dependencies]
@@ -2697,7 +2697,7 @@ name = "tensorboard-data-server"
 version = "0.6.1"
 description = "Fast data loading for TensorBoard"
 category = "main"
-optional = false
+optional = true
 python-versions = ">=3.6"
 
 [[package]]
@@ -2705,7 +2705,7 @@ name = "tensorboard-plugin-wit"
 version = "1.8.0"
 description = "What-If Tool TensorBoard plugin."
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [[package]]
@@ -2713,7 +2713,7 @@ name = "tensorflow"
 version = "2.5.0"
 description = "TensorFlow is an open source machine learning framework for everyone."
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [package.dependencies]
@@ -2741,7 +2741,7 @@ name = "tensorflow-estimator"
 version = "2.5.0"
 description = "TensorFlow Estimator."
 category = "main"
-optional = false
+optional = true
 python-versions = "*"
 
 [[package]]
@@ -3056,7 +3056,7 @@ name = "werkzeug"
 version = "2.0.1"
 description = "The comprehensive WSGI web application library."
 category = "main"
-optional = false
+optional = true
 python-versions = ">=3.6"
 
 [package.dependencies]
@@ -3143,7 +3143,7 @@ prediction = ["fbprophet", "tensorflow", "pmdarima", "transformers", "flair", "t
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6.8"
-content-hash = "14486ebaa2cec1c8deb302938fd920891d268306510131e60a972e144d82b668"
+content-hash = "3378ea1d5b73bbea28c4c7190ed895b68f9387d8b6dce1604ad6fd05ce772308"
 
 [metadata.files]
 absl-py = [
diff --git a/pyproject.toml b/pyproject.toml
index 7780f8c6232..8a0facd8774 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,6 @@ torch = {version = "1.7.1", optional = true}
 transformers = {version = "3.5.1", optional = true}
 fbprophet = {version = "0.6", optional = true}
 pmdarima = {version = "1.8.0", optional = false}
-tensorflow = "2.5"
 flair = {version = "0.7", optional = true}
 holidays = "^0.10"
 prompt-toolkit = "^3.0.16"
@@ -73,6 +72,7 @@ python-binance = "^1.0.1"
 grpcio = "1.34.0"
 pyupgrade = "2.18.2"
 cvxpy = "1.1.12"
+tensorflow = {version = "2.5.0", optional = true}
 
 [tool.poetry.dev-dependencies]
 pytest = "^6.2.2"
diff --git a/requirements-full.txt b/requirements-full.txt
index 9e7c57fe796..5147b5244aa 100644
--- a/requirements-full.txt
+++ b/requirements-full.txt
@@ -190,7 +190,7 @@ selenium==3.141.0
 send2trash==1.5.0; python_version >= "3.6"
 sentencepiece==0.1.91; python_full_version >= "3.6.0" and python_version >= "3.6"
 setuptools-git==1.2
-six==1.15.0; python_full_version >= "3.6.1" and python_version >= "3.6" and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.3.0") and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.4.0") and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.6") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0") and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6")
+six==1.15.0; python_full_version >= "3.6.1" and python_version >= "3.6" and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.3.0") and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.4.0") and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.6") and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0")
 smart-open==5.1.0; python_version >= "3.6"
 soupsieve==2.2.1; python_version >= "3.6"
 sqlitedict==1.7.0; python_version >= "3.6"
diff --git a/requirements.txt b/requirements.txt
index 942285ea0d7..4e506b87f74 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-absl-py==0.12.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.2.0"
 aiohttp==3.7.4.post0; python_version >= "3.6"
 alpaca-trade-api==1.2.1
 alpha-vantage==2.3.1
@@ -6,7 +5,6 @@ ansiwrap==0.8.4; python_version >= "3.6"
 appdirs==1.4.4; python_full_version >= "3.6.2" and python_version >= "3.6"
 appnope==0.1.2; platform_system == "Darwin" and python_version >= "3.6" and sys_platform == "darwin"
 argon2-cffi==20.1.0; python_version >= "3.6"
-astunparse==1.6.3
 async-generator==1.10; python_full_version >= "3.6.1" and python_version >= "3.6"
 async-timeout==3.0.1; python_full_version >= "3.5.3" and python_version >= "3.6"
 attrs==21.2.0; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
@@ -17,7 +15,6 @@ bleach==3.3.0; python_version >= "3.6" and python_full_version < "3.0.0" or pyth
 bs4==0.0.1
 bt==0.2.9; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.6.0")
 cached-property==1.5.2; python_version < "3.8" and python_version >= "3.6"
-cachetools==4.2.2; python_version >= "3.5" and python_version < "4.0" and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0")
 certifi==2020.12.5; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 cffi==1.14.5; implementation_name == "pypy" and python_version >= "3.6"
 chardet==4.0.0; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
@@ -29,7 +26,7 @@ cssselect==1.1.0; python_version >= "2.7" and python_full_version < "3.0.0" or p
 cvxpy==1.1.12; python_version >= "3.5"
 cycler==0.10.0; python_version >= "3.6"
 cython==0.29.14; python_version >= "3.6" and python_full_version < "3.0.0" and sys_platform == "darwin" or python_full_version >= "3.3.0" and python_version >= "3.6" and sys_platform == "darwin"
-dataclasses==0.8; python_version >= "3.6" and python_version < "3.7" and python_full_version >= "3.6.2" and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.7" or python_full_version >= "3.2.0" and python_version >= "3.6" and python_version < "3.7")
+dataclasses==0.8; python_version >= "3.6" and python_version < "3.7" and python_full_version >= "3.6.2"
 dateparser==1.0.0; python_version >= "3.5"
 datetime==4.3; python_version >= "3.5"
 decorator==5.0.9; python_full_version >= "3.6.1" and python_version >= "3.6"
@@ -41,21 +38,16 @@ entrypoints==0.3; python_version >= "3.6"
 ffn==0.3.6; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0"
 finviz==1.4.1
 finvizfinance==0.9.8; python_version >= "3.5"
-flatbuffers==1.12
 fredapi==0.4.3
 fundamentalanalysis==0.2.9
 future==0.18.2; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0"
-gast==0.4.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.4.0"
-google-auth-oauthlib==0.4.4; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.2.0" and python_version >= "3.6"
-google-auth==1.30.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.6"
-google-pasta==0.2.0
 grpcio==1.34.0
 h5py==3.1.0; python_version >= "3.6"
 hijri-converter==2.1.1; python_version >= "3.6"
 holidays==0.10.5.2
 idna-ssl==1.1.0; python_version < "3.7" and python_version >= "3.6"
 idna==2.10; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.7" or python_version < "3.7" and python_version >= "3.6" and python_full_version >= "3.5.0"
-importlib-metadata==3.10.1; python_version < "3.8" and python_version >= "3.6" and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "3.8" or python_full_version >= "3.2.0" and python_version >= "3.6" and python_version < "3.8")
+importlib-metadata==3.10.1; python_version < "3.8" and python_version >= "3.6"
 inflection==0.5.1; python_version >= "3.5"
 ipykernel==5.5.5; python_version >= "3.6"
 ipython-genutils==0.2.0; python_full_version >= "3.6.1" and python_version >= "3.6"
@@ -72,12 +64,9 @@ jupyter-core==4.7.1; python_full_version >= "3.6.1" and python_version >= "3.6"
 jupyter==1.0.0
 jupyterlab-pygments==0.1.2; python_version >= "3.6"
 jupyterlab-widgets==1.0.0; python_version >= "3.6"
-keras-nightly==2.5.0.dev2021032900
-keras-preprocessing==1.1.2
 kiwisolver==1.3.1; python_version >= "3.6"
 korean-lunar-calendar==0.2.1
 lxml==4.6.3; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.6"
-markdown==3.3.4; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.2.0" and python_version >= "3.6"
 markupsafe==2.0.1; python_version >= "3.6"
 matplotlib==3.3.4; python_version >= "3.6"
 mistune==0.8.4; python_version >= "3.6"
@@ -96,7 +85,6 @@ numpy==1.19.5; python_version >= "3.6"
 oandapyv20==0.6.3
 oauthlib==3.1.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.4.0"
 onetimepass==1.0.1; python_version >= "3.6"
-opt-einsum==3.3.0; python_version >= "3.5"
 orjson==3.5.2; python_version >= "3.6"
 osqp==0.6.2.post0; python_full_version >= "3.6.1" and python_full_version < "4.0.0" and python_version >= "3.5"
 packaging==20.9; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
@@ -118,13 +106,11 @@ prawcore==2.0.0; python_version >= "3.6" and python_version < "4.0"
 prettytable==2.1.0; python_version >= "3.6"
 prometheus-client==0.10.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
 prompt-toolkit==3.0.18; python_full_version >= "3.6.1"
-protobuf==3.17.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.2.0" and python_version >= "3.6"
+protobuf==3.17.1; python_version >= "3.6"
 psaw==0.0.12; python_version >= "3"
 ptyprocess==0.7.0; os_name != "nt" and python_version >= "3.6" and sys_platform != "win32"
 py==1.10.0; python_version >= "3.6" and python_full_version < "3.0.0" and implementation_name == "pypy" or implementation_name == "pypy" and python_version >= "3.6" and python_full_version >= "3.4.0"
 pyally==1.1.2
-pyasn1-modules==0.2.8; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0"
-pyasn1==0.4.8; python_version >= "3.5" and python_full_version < "3.0.0" and python_version < "4" and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.6") or python_version >= "3.5" and python_version < "4" and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.6") and python_full_version >= "3.6.0"
 pycoingecko==1.4.1
 pycparser==2.20; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
 pygments==2.9.0; python_version >= "3.6"
@@ -154,11 +140,10 @@ qtpy==1.9.0; python_version >= "3.6"
 quandl==3.6.1; python_version >= "3.5"
 rapidfuzz==1.4.1; python_version >= "3.5"
 regex==2020.11.13
-requests-oauthlib==1.3.0; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.4.0" and python_version >= "3.6"
+requests-oauthlib==1.3.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.4.0"
 requests==2.25.1; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
 retrying==1.3.3
 robin-stocks==2.0.4; python_version >= "3"
-rsa==4.7.2; python_version >= "3.5" and python_version < "4" and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.6")
 scikit-learn==0.24.2; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.6"
 scipy==1.5.4; python_version >= "3.6"
 screeninfo==0.6.7
@@ -166,16 +151,11 @@ scs==2.1.3; python_full_version >= "3.6.1" and python_full_version < "4.0.0" and
 seaborn==0.11.1; python_version >= "3.6"
 selenium==3.141.0
 send2trash==1.5.0; python_version >= "3.6"
-six==1.15.0; python_full_version >= "3.6.1" and python_version >= "3.6" and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.3.0") and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.4.0") and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.6") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0") and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6")
+six==1.15.0; python_full_version >= "3.6.1" and python_version >= "3.6" and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.3.0") and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.4.0") and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.3.0" and python_version >= "3.6") and (python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6")
 soupsieve==2.2.1; python_version >= "3.6"
 statsmodels==0.12.2; python_version >= "3.6"
 tabulate==0.8.9
 tenacity==7.0.0; python_version >= "3.6"
-tensorboard-data-server==0.6.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.2.0" and python_version >= "3.6"
-tensorboard-plugin-wit==1.8.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.2.0"
-tensorboard==2.5.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.2.0"
-tensorflow-estimator==2.5.0
-tensorflow==2.5.0
 termcolor==1.1.0
 terminado==0.10.0; python_version >= "3.6"
 testpath==0.5.0; python_version >= "3.6"
@@ -200,7 +180,6 @@ wcwidth==0.2.5; python_version >= "3.6" and python_full_version >= "3.6.1"
 webencodings==0.5.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"
 websocket-client==0.59.0; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.4.0"
 websockets==8.1; python_full_version >= "3.6.1"
-werkzeug==2.0.1; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.2.0" and python_version >= "3.6"
 widgetsnbextension==3.5.1
 wrapt==1.12.1; python_version >= "3.6"
 yarl==1.6.3; python_version >= "3.6"