Run mypy commit hook (#1591)

* run mypy commit hook

* fix mypy errors
old-commit-hash: 3d08dcc3b27936cb14c0eae63605be9a6c077380

common/params.py

@@ -22,10 +22,7 @@ file in place without messing with <params_dir>/d.
 """
 import time
 import os
-import string
-import binascii
 import errno
-import sys
 import shutil
 import fcntl
 import tempfile
@@ -401,22 +398,3 @@ def put_nonblocking(key, val):
   t = threading.Thread(target=f, args=(key, val))
   t.start()
   return t
-
-
-if __name__ == "__main__":
-  params = Params()
-  if len(sys.argv) > 2:
-    params.put(sys.argv[1], sys.argv[2])
-  else:
-    for k in keys:
-      pp = params.get(k)
-      if pp is None:
-        print("%s is None" % k)
-      elif all(chr(c) in string.printable for c in pp):
-        print("%s = %s" % (k, pp))
-      else:
-        print("%s = %s" % (k, binascii.hexlify(pp)))
-
-  # Test multiprocess:
-  # seq 0 100000 | xargs -P20 -I{} python common/params.py DongleId {} && sleep 0.05
-  # while python common/params.py DongleId; do sleep 0.05; done