Fix flake8 format problem

Author: AntonVucinic

pylsp_mypy/plugin.py

@@ -31,7 +31,10 @@
 from pylsp.workspace import Document, Workspace
 
 line_pattern = re.compile(
-    r"^(?P<file>.+):(?P<start_line>\d+):(?P<start_col>\d*):(?P<end_line>\d*):(?P<end_col>\d*): (?P<severity>\w+): (?P<message>.+?)(?: +\[(?P<code>.+)\])?$"
+    (
+        r"^(?P<file>.+):(?P<start_line>\d+):(?P<start_col>\d*):(?P<end_line>\d*):(?P<end_col>\d*): "
+        r"(?P<severity>\w+): (?P<message>.+?)(?: +\[(?P<code>.+)\])?$"
+    )
 )
 
 log = logging.getLogger(__name__)

test/test_plugin.py

@@ -91,7 +91,7 @@ def test_parse_note_line(workspace):
     assert diag["range"]["start"] == {"line": 123, "character": 0}
     assert diag["range"]["end"] == {"line": 128, "character": 77}
     assert diag["severity"] == 3
-    assert diag["code"] == None
+    assert diag["code"] is None
 
 
 def test_multiple_workspaces(tmpdir, last_diagnostics_monkeypatch):