Fix trailing whitespace
diff --git a/test/03-operator-test.py b/test/03-operator-test.py
index bb1c541..dfe2630 100644
--- a/test/03-operator-test.py
+++ b/test/03-operator-test.py
@@ -30,11 +30,11 @@
 
 def test_regex():
     db = user_docs.mkdb()
-    
+
     docs = db.find({
             "age": {"$gt": 40},
             "location.state": {"$regex": "(?i)new.*"}
         })
     assert len(docs) == 2
     assert docs[0]["user_id"] == 2
-    assert docs[1]["user_id"] == 10
\ No newline at end of file
+    assert docs[1]["user_id"] == 10