Run mypy commit hook (#1591)

* run mypy commit hook

* fix mypy errors
old-commit-hash: 3d08dcc3b2

tools/replay/rqplot.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# type: ignore
 import sys
 import matplotlib.pyplot as plt
 import numpy as np
@@ -78,4 +79,3 @@ if __name__ == "__main__":
 
     # just a bit of wait to avoid 100% CPU usage
     time.sleep(0.001)
-