Fixed the bug in crypto/dd/oi (#2650)

* Fixed the bug

* Update coinglass_model.py

Co-authored-by: James Maslek <jmaslek11@gmail.com>

openbb_terminal/cryptocurrency/due_diligence/coinglass_model.py

@@ -13,7 +13,9 @@ logger = logging.getLogger(__name__)
 
 api_url = "https://open-api.coinglass.com/api/pro/v1/"
 
-INTERVALS = [0, 1, 2, 4]
+# Prompt toolkit does not allow integers, so these items need to be strings
+intervals = [0, 1, 2, 4]
+INTERVALS = [str(x) for x in intervals]
 
 
 @log_start_end(log=logger)

openbb_terminal/cryptocurrency/due_diligence/dd_controller.py

@@ -528,9 +528,9 @@ class DueDiligenceController(CryptoBaseController):
             "-i",
             "--interval",
             dest="interval",
-            type=int,
+            type=str,
             help="Frequency interval. Default: 0",
-            default=0,
+            default="0",
             choices=coinglass_model.INTERVALS,
         )
 
@@ -538,10 +538,15 @@ class DueDiligenceController(CryptoBaseController):
             parser, other_args, EXPORT_BOTH_RAW_DATA_AND_FIGURES
         )
 
+        try:
+            interval = int(ns_parser.interval)
+        except ValueError:
+            console.print("[red]Interval must be an integer value[/red]\n")
+
         if ns_parser:
             coinglass_view.display_open_interest(
                 symbol=self.symbol.upper(),
-                interval=ns_parser.interval,
+                interval=interval,
                 export=ns_parser.export,
             )