Update app.py

app.py

@@ -11,17 +11,6 @@ if __name__ == "__main__":
         logging.basicConfig(level=logging.WARNING)
 
 
-import sys, types
-
-stub = types.ModuleType("azure")
-stub_cog = types.ModuleType("azure.cognitiveservices")
-stub_speech = types.ModuleType("azure.cognitiveservices.speech")
-sys.modules.update({
-    "azure": stub,
-    "azure.cognitiveservices": stub_cog,
-    "azure.cognitiveservices.speech": stub_speech,
-})
-
 from RealtimeTTS import (
     TextToAudioStream,
     SystemEngine,