Fix pylint job
The run-pylint-on-all-linkahead fix uncovered five untreated warnings:
************* Module linkahead
src/linkahead/__init__.py:58:4: E0401: Unable to import 'linkahead.version' (import-error)
************* Module linkahead.connection.encode
src/linkahead/connection/encode.py:387:15: E1102: self.next is not callable (not-callable)
************* Module linkahead.connection.connection
src/linkahead/connection/connection.py:50:4: E0401: Unable to import 'linkahead.version' (import-error)
src/linkahead/connection/connection.py:62:4: E0611: No name '_SSLMethod' in module 'ssl' (no-name-in-module)
src/linkahead/connection/connection.py:776:47: E0601: Using variable 'CredentialsAuthenticator' before assignment (used-before-assignment)These need to be fixed or ignored.
MR: !181 (merged)