Fix false-positive E211 with match and case

2 files changed, 19 insertions, 3 deletions

diff --git a/pycodestyle.py b/pycodestyle.py
index c091639..8124f9d 100755
--- a/pycodestyle.py
+++ b/pycodestyle.py
@@ -811,14 +811,18 @@ def whitespace_before_parameters(logical_line, tokens):
     prev_type, prev_text, __, prev_end, __ = tokens[0]
     for index in range(1, len(tokens)):
         token_type, text, start, end, __ = tokens[index]
-        if (token_type == tokenize.OP and
+        if (
+            token_type == tokenize.OP and
             text in '([' and
             start != prev_end and
             (prev_type == tokenize.NAME or prev_text in '}])') and
             # Syntax "class A (B):" is allowed, but avoid it
             (index < 2 or tokens[index - 2][1] != 'class') and
-                # Allow "return (a.foo for a in range(5))"
-                not keyword.iskeyword(prev_text)):
+            # Allow "return (a.foo for a in range(5))"
+            not keyword.iskeyword(prev_text) and
+            # 'match' and 'case' are only soft keywords
+            prev_text not in ('match', 'case')
+        ):
             yield prev_end, "E211 whitespace before '%s'" % text
         prev_type = token_type
         prev_text = text
diff --git a/testsuite/python310.py b/testsuite/python310.py
new file mode 100644
index 0000000..b72bf6d
--- /dev/null
+++ b/testsuite/python310.py
@@ -0,0 +1,12 @@
+var, var2 = 1, 2
+#: Okay
+match (var, var2):
+    #: Okay
+    case [2, 3]:
+        pass
+    #: Okay
+    case (1, 2):
+        pass
+    #: Okay
+    case _:
+        print("Default")