whitelist a bandit false positive and improve type annotation

2 files changed, 6 insertions, 6 deletions

diff --git a/src/flake8/processor.py b/src/flake8/processor.py
index f786b50..09185e5 100644
--- a/src/flake8/processor.py
+++ b/src/flake8/processor.py
@@ -385,11 +385,11 @@ def token_is_newline(token):
 
 
 def count_parentheses(current_parentheses_count, token_text):
+    # type: (int, str) -> int
     """Count the number of parentheses."""
-    current_parentheses_count = current_parentheses_count or 0
-    if token_text in "([{":
+    if token_text in "([{":  # nosec
         return current_parentheses_count + 1
-    elif token_text in "}])":
+    elif token_text in "}])":  # nosec
         return current_parentheses_count - 1
     return current_parentheses_count
 
diff --git a/tests/unit/test_file_processor.py b/tests/unit/test_file_processor.py
index 582abf2..84b051c 100644
--- a/tests/unit/test_file_processor.py
+++ b/tests/unit/test_file_processor.py
@@ -337,9 +337,9 @@ def test_log_token(token, log_string):
 
 
 @pytest.mark.parametrize('current_count, token_text, expected', [
-    (None, '(', 1),
-    (None, '[', 1),
-    (None, '{', 1),
+    (0, '(', 1),
+    (0, '[', 1),
+    (0, '{', 1),
     (1, ')', 0),
     (1, ']', 0),
     (1, '}', 0),