PEP8 cleanup

compiler/base/vector.py

@@ -5,10 +5,11 @@
 # (acting for and on behalf of Oklahoma State University)
 # All rights reserved.
 #
-import debug
+
 import math
 import tech
 
+
 class vector():
     """
     This is the vector class to represent the coordinate

compiler/modules/bank.py

@@ -369,11 +369,9 @@ class bank(design.design):
                           3 * self.m2_pitch,
                           drc("nwell_to_nwell"))
 
-
     def add_modules(self):
         """ Add all the modules using the class loader """
 
-
         local_array_size = OPTS.local_array_size
 
         if local_array_size > 0:

compiler/modules/local_bitcell_array.py

@@ -302,4 +302,3 @@ class local_bitcell_array(bitcell_base_array.bitcell_base_array):
         Clears the bit exclusions
         """
         self.bitcell_array.clear_exclude_bits()
-