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

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Author: pre-commit-ci[bot]

ipyparallel/controller/mongodb.py

@@ -1,8 +1,7 @@
 """A TaskRecord backend using mongodb"""
 
 try:
-    from pymongo import version
-    from pymongo import MongoClient
+    from pymongo import MongoClient, version
 except ImportError:
     from pymongo import Connection as MongoClient