[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

ipykernel/kernelbase.py

@@ -70,7 +70,7 @@
 
 def _accepts_parameters(meth, param_names):
     parameters = inspect.signature(meth).parameters
-    accepts = {param: False for param in param_names}
+    accepts = dict.fromkeys(param_names, False)
 
     for param in param_names:
         param_spec = parameters.get(param)