Cleanup several pep8 warnings

The following pep8/flake8 warnings are no longer
being suppressed:

 E101 indentation contains mixed spaces and tabs
 E203 whitespace before ':'
 E211 whitespace before '('
 E228 missing whitespace around modulo operator
 E251 unexpected spaces around keyword / parameter equal
 E302 expected 2 blank lines, found 1
 E303 too many blank lines

Story: 2003499
Task: 26190

Change-Id: I8df57783417e4372a008f876365f9c24d2c0cb4b
Signed-off-by: Al Bailey <Al.Bailey@windriver.com>

nfv/nfv-common/nfv_common/forensic/_defs.py

@@ -6,6 +6,7 @@
 # flake8: noqa
 #
 
+
 class _NfvVimRecordType(object):
     """
     NFV-VIM Record Type Constants

nfv/nfv-debug-tools/histogram_analysis/Histogram.py

@@ -56,6 +56,7 @@ if not os.path.exists(logDir):
 call("cp nfv-vim.log nfv-vim.log.[0-9] nfv-vim.log.[0-9][0-9] nfv-vim.log.[0-9].gz nfv-vim.log.[0-9][0-9].gz logs/", shell=True)
 call("gunzip logs/nfv-vim.log.[0-9].gz logs/nfv-vim.log.[0-9][0-9].gz", shell=True)
 
+
 class Parser:
     def __init__(self):
         self.proc="" # Name of process being read

nfv/nfv-debug-tools/histogram_analysis/plotter.py

@@ -70,6 +70,7 @@ group=[]
 graphName=""
 plotType=""
 
+
 def helpMessage():
     print("\n"+"-"*120)
     print("NFV-VIM Histogram Graphing Script\n")
@@ -363,7 +364,6 @@ def setFilename(graphName):
     return graphName
 
 
-
 print("Welcome to plotter, type --help for information")
 # Checks that plotly is installed, otherwise graphs cannot be generated.
 plotCheck=commands.getstatusoutput("pip list | grep plotly")

nfv/nfv-tests/nfv_unit_tests/tests/test_instance.py

@@ -291,7 +291,6 @@ class TestInstance:
                                    'compute-0')
         assert 300 == instance.max_live_migrate_wait_in_secs
 
-
     def test_live_migration_completion_timeout_from_image(self):
         create_instance_type('small')
         create_image('image_0',

nova-api-proxy/nova-api-proxy/nova_api_proxy/common/exception.py

@@ -21,6 +21,7 @@
 #
 #
 
+
 class ProxyException(Exception):
     """Base Exception
     """

tox.ini

@@ -26,7 +26,6 @@ commands =
 
 [pep8]
 # Temporarily ignoring these warnings
-# E101 indentation contains mixed spaces and tabs
 # E116 unexpected indentation (comment)
 # E121 continuation line under-indented for hanging indent
 # E122 continuation line missing indentation or outdented
@@ -36,22 +35,16 @@ commands =
 # E127 continuation line over-indented for visual indent
 # E128 continuation line under-indented for visual indent
 # E129 visually indented line with same indent as next logical line
-# E203 whitespace before ':'
-# E211 whitespace before '('
 # E225 missing whitespace around operator
 # E226 missing whitespace around arithmetic operator
-# E228 missing whitespace around modulo operator
 # E231 missing whitespace after ':'
 # E241 multiple spaces after
 # E261 at least two spaces before inline comment
 # E265 block comment should start with '# '
-# E251 unexpected spaces around keyword / parameter equals
-# E302 expected 2 blank lines, found 1
-# E303 too many blank lines
 # E501 line too long
 # E712 comparison to bool should be reworded
 
-ignore = E101,E116,E121,E123,E122,E124,E126,E127,E128,E129,E203,E211,E225,E226,E228,E231,E241,E251,E261,E265,E302,E303,E501,E712
+ignore = E116,E121,E122,E123,E124,E126,E127,E128,E129,E225,E226,E231,E241,E261,E265,E501,E712
 
 [testenv:pep8]
 usedevelop = False