unboundlocalerror local variable 'connection' referenced before assignment

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1. UnboundLocalError: Local Variable Referenced Before Assignment

   

2. UnboundLocalError: local variable referenced before assignment

   

3. "Fixing UnboundLocalError: Local Variable Referenced Before Assignment"

   

4. UnboundLocalError: local variable 'timeInSeconds' referenced before

   

5. UnboundLocalError: local variable 'timeInSeconds' referenced before

   

6. How to fix UnboundLocalError: local variable 'x' referenced before