PEP8 formatting

compiler/characterizer/functional.py

@@ -5,23 +5,18 @@
 # (acting for and on behalf of Oklahoma State University)
 # All rights reserved.
 #
-import sys,re,shutil
-import copy
 import collections
-from design import design
 import debug
-import math
-import tech
 import random
 from .stimuli import *
 from .charutils import *
-import utils
 from globals import OPTS
 from .simulation import simulation
 # from .delay import delay
 import graph_util
 from sram_factory import factory
 
+
 class functional(simulation):
     """
        Functions to write random data values to a random address then read them back and check
@@ -60,7 +55,6 @@ class functional(simulation):
         self.read_check = []
         self.read_results = []
 
-
     def run(self, feasible_period=None):
         if feasible_period: #period defaults to tech.py feasible period otherwise.
             self.period = feasible_period
@@ -282,14 +276,13 @@ class functional(simulation):
         # wmask must be reversed since a python list goes right to left and sram bits go left to right.
         return wmask[::-1]
 
-
     def gen_data(self):
         """ Generates a random word to write. """
         if not self.num_spare_cols:
-            random_value = random.randint(0,(2**(self.word_size))-1)
+            random_value = random.randint(0, (2 ** self.word_size) - 1)
         else:
-            random_value1 = random.randint(0,(2**(self.word_size))-1)
-            random_value2 = random.randint(0,(2**(self.num_spare_cols))-1)
+            random_value1 = random.randint(0, (2 ** self.word_size) - 1)
+            random_value2 = random.randint(0, (2 ** self.num_spare_cols) - 1)
             random_value = random_value1 + random_value2
         data_bits = self.convert_to_bin(random_value, False)
         return data_bits
@@ -504,7 +497,6 @@ class functional(simulation):
         cell_bl = cell_mod.get_bl_name(port)
         cell_br = cell_mod.get_br_name(port)
         
-        bl_found = False
         # Only a single path should contain a single s_en name. Anything else is an error.
         bl_names = []
         exclude_set = self.get_bl_name_search_exclusions()