Update app.py

app.py

@@ -18,11 +18,11 @@ def get_audio(url):
   return audio_file
 
 def transcribe(rec=None, file=None, url=""):
-    if rec is not None:
+    if rec != None:
         audio = rec
-    elif file is not None:
+    elif file != None:
         audio = file
-    elif url is not "":
+    elif url != "":
         audio = get_audio(url)
     else:
         return "Provide a recording or a file."