Update app.py

app.py

@@ -563,9 +563,10 @@ def answer_question(user_question, chatbot, audio=None):
         if match:
             user_email =  match.group()  # Return the matched email
             #print("user_email")
-            print(user_email)
+            #print(user_email)
              # email send
-            if user_email:
+            if len(user_email)>0:
+                print("user_email")
                 # Send email with the chart image attached
                 send_email_with_attachment(
                     recipient_email=user_email,