Fix lint warnings, black check

.github/workflows/lint.yml

@@ -63,6 +63,10 @@ jobs:
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4
+        with:
+          # super-linter needs the full git history to get the
+          # list of files that changed across commits
+          fetch-depth: 0
 
       - name: Set up Python 3.8
         uses: actions/setup-python@v5

pyproject.toml

@@ -1,13 +1,12 @@
 [tool.black]
-target-version = ["py36"]
+target-version = ["py38"]
 line-length = 100
 [tool.pylint.messages_control]
 disable = """
 missing-module-docstring,
 missing-class-docstring,
 missing-function-docstring,
 unnecessary-lambda,
-bad-continuation,
 cyclic-import,
 line-too-long,
 invalid-name,

solc_select/__main__.py

@@ -66,6 +66,7 @@ def solc_select() -> None:
     elif args.get(SHOW_VERSIONS) is not None:
         versions_installed = installed_versions()
         if versions_installed:
+            (current_ver, source) = (None, None)
             res = current_version()
             if res:
                 (current_ver, source) = res