Correct for flake8.

libraries/base/common/python/try_round.py

@@ -22,23 +22,14 @@
 
 # Author: Eric Kooistra
 # Date: may 2021
-# Purpose:
-#   Simulate linearity of rounding
-# Description:
-#   Usage:
-#   > python3 try_round.py -N 1024 -ampl 12 --useplot
-
-
-import argparse
-import numpy as np
-import matplotlib
-matplotlib.use('tkagg')  # to make X11 forwarding work
-import matplotlib.pylab as plt
 
 """Try rounding
 
+Simulate linearity of rounding.
+
 Usage:
 > python try_round.py -h
+> python3 try_round.py -N 1024 -w 8 -f 3 --useplot
 
 Note:
 . For values exactly halfway between rounded decimal values, NumPy rounds to
@@ -47,8 +38,11 @@ Note:
 """
 
 import argparse
+
 import numpy as np
-import matplotlib.pylab as plt
+import matplotlib
+matplotlib.use('tkagg')  # to make X11 forwarding work
+import matplotlib.pyplot as plt
 import common as cm
 
 figNr = 1
@@ -57,7 +51,7 @@ figNr = 1
 _parser = argparse.ArgumentParser('try_round')
 _parser.add_argument('-N', default=1024, type=int, help='Number of points of FFT')
 _parser.add_argument('-w', default=8, type=int, help='Total number of bits')
-_parser.add_argument('-f', default=0, type=int, help='Number of bits of fraction that gets rounded')
+_parser.add_argument('-f', default=1, type=int, help='Number of bits of fraction that gets rounded')
 _parser.add_argument('--useplot', action='store_true', dest='useplot', default=False, help='Default without plotting, else with plotting')
 args = _parser.parse_args()
 

libraries/base/common/python/try_round_weight.py

@@ -62,8 +62,6 @@ import matplotlib
 matplotlib.use('tkagg')  # to make X11 forwarding work
 import matplotlib.pyplot as plt
 
-import common as cm
-
 # Parse arguments to derive user parameters
 _parser = argparse.ArgumentParser(
     description="".join(textwrap.dedent("""\

libraries/base/common/python/try_wrap.py

@@ -31,11 +31,6 @@
 import argparse
 import textwrap
 
-import numpy as np
-import matplotlib
-matplotlib.use('tkagg')  # to make X11 forwarding work
-import matplotlib.pyplot as plt
-
 import random
 
 import common as cm
@@ -86,4 +81,3 @@ else:
     print('Error:')
     print(x_wrap_sum_wrap)
     print(x_wrap_sum)
-