ImportErrorImportError
An import statement failed to find or load the specified module or name.
ConnectionErrorA connection-related error occurred during a network operation.
A network connection failed. This is the base class for ConnectionRefusedError, ConnectionResetError, ConnectionAbortedError, and BrokenPipeError. The specific subclass indicates the exact failure mode.
Catch the specific subclass for targeted handling. Implement retry logic with exponential backoff. Verify the target server is running and reachable. Check firewalls and network configuration.
ImportErrorAn import statement failed to find or load the specified module or name.
UnicodeEncodeErrorA Unicode string could not be encoded to the target encoding.
StopAsyncIterationRaised by an async iterator's __anext__() method to signal that iteration is complete.
LookupErrorBase class for errors raised when a key or index is not found (KeyError, IndexError).
AttributeErrorAn object does not have the requested attribute or method.
multiprocessing.AuthenticationErrorAuthentication failed when connecting to a multiprocessing server.