Fix Pylint warnings.

data/githooks/commit-msg

@@ -29,7 +29,8 @@ def check_commit_message(parts: List[str]) -> Optional[str]:
 
     if short_message[0] != short_message[0].upper():
         return (
-            short_message + "\n^"
+            short_message
+            + "\n^"
             + "\nCommit message short description should start with uppercase "
             + "letter."
         )
@@ -95,12 +96,12 @@ def check_commit_message(parts: List[str]) -> Optional[str]:
         verbs[verb + "d"] = verb
 
     for wrong_verb, right_verb in verbs.items():
-        if short_message.startswith(f"{wrong_verb} ") or short_message.startswith(
-            f"{first_letter_uppercase(wrong_verb)} "
-        ):
+        if short_message.startswith(
+            f"{wrong_verb} "
+        ) or short_message.startswith(f"{first_letter_uppercase(wrong_verb)} "):
             return (
-                f'Commit message should start with the verb in infinitive '
-                f'form. Please, use '
+                f"Commit message should start with the verb in infinitive "
+                f"form. Please, use "
                 f'"{first_letter_uppercase(right_verb)} ..." instead of '
                 f'"{first_letter_uppercase(wrong_verb)} ...".'
             )

data/githooks/pre-commit

@@ -1,8 +1,10 @@
 #!/bin/sh
 
+python_files="map_machine setup.py tests data/githooks/commit-msg"
+
 echo "Checking code format with Black..."
-if ! black -l 80 --check tests map_machine; then
-    black -l 80 --diff --color tests map_machine
+if ! black -l 80 --check ${python_files}; then
+    black -l 80 --diff --color ${python_files}
     echo "FAIL"
     exit 1
 fi
@@ -13,5 +15,5 @@ echo "Lint with Flake8..."
 flake8 \
     --max-line-length=80 \
     --ignore=E203,W503,ANN002,ANN003,ANN101,ANN102 \
-    map_machine setup.py tests \
+    ${python_files} \
     || { echo "FAIL"; exit 1; }