Remove unused Python imports (F401/F403/F405) [B] [A] [B]

Reviewed By: xavierd

Differential Revision: D91004887

fbshipit-source-id: 71c7b4bad8439bef05d5f29fe5dee6337e23eaca

Author: generatedunixname537391475639613

third-party/watchman/src/watchman/integration/lib/TempDir.py

@@ -14,8 +14,6 @@
 import tempfile
 import time
 
-import pywatchman
-
 from . import path_utils as path