MNT: Fix mypy errors in pylab imports

Author: timhoffm

lib/matplotlib/pylab.py

@@ -45,6 +45,8 @@
 from matplotlib.pyplot import *
 
 from numpy import *
+del fft  # remove imported module numpy.fft to prevent implicit re-def
+del random  # remove imported module numpy.random to prevent implicit re-def
 from numpy.fft import *
 from numpy.random import *
 from numpy.linalg import *