Fix a bug where a socket connection to "bsv.aftrek.org" is successful…

…ly established but on protocol negotiation, the result is "None"

- This crashes the entire asyncio event loop with "TypeError: cannot unpack non-iterable NoneType object"
- Catch the raised TypeError to avoid crashing the asyncio event loop.

.gitignore

@@ -61,5 +61,5 @@ Pipfile
 Pipfile.lock
 
 # local data directories
-electrum_sv_data/regtest/*
+electrum_sv_data/*
 instance_*

electrumsv/network.py

@@ -465,7 +465,7 @@ async def _negotiate_protocol(self):
             self.logger.debug(f'negotiated protocol: {protocol_string}')
             self.ptuple = protocol_tuple(protocol_string)
             assert PROTOCOL_MIN <= self.ptuple <= PROTOCOL_MAX
-        except (AssertionError, ValueError) as e:
+        except (AssertionError, TypeError, ValueError) as e:
             raise DisconnectSessionError(f'{method} failed: {e}', blacklist=True)
 
     async def _get_checkpoint_headers(self):