[NFVBENCH-7] Return errors when unknown options are passed

1) Return all errors when unknown options are passed
2) Fixed pep8 warnings
3) Fixed image deletion

Change-Id: If21ca07c797a602b9a60f3ccae665149ed1ac148
Signed-off-by: Kerim Gokarslan <kgokarsl@cisco.com>

1 files changed, 14 insertions, 15 deletions

diff --git a/docs/testing/user/userguide/conf.py b/docs/testing/user/userguide/conf.py
index 638764c..020533c 100644
--- a/docs/testing/user/userguide/conf.py
+++ b/docs/testing/user/userguide/conf.py
@@ -20,8 +20,8 @@
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 import os
-import sys
 from pbr import version as pbr_ver
+import sys
 
 sys.path.insert(0, os.path.abspath('../..'))
 
@@ -118,13 +118,12 @@ pygments_style = 'sphinx'
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False
 
-
 # -- Options for HTML output ----------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-#html_theme = 'haiku'
+# html_theme = 'haiku'
 html_theme = 'sphinx_rtd_theme'
 
 # Theme options are theme-specific and customize the look and feel of a theme
@@ -244,21 +243,21 @@ htmlhelp_basename = 'NFVBenchdoc'
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
-     # The paper size ('letterpaper' or 'a4paper').
-     #
-     # 'papersize': 'letterpaper',
+    # The paper size ('letterpaper' or 'a4paper').
+    #
+    # 'papersize': 'letterpaper',
 
-     # The font size ('10pt', '11pt' or '12pt').
-     #
-     # 'pointsize': '10pt',
+    # The font size ('10pt', '11pt' or '12pt').
+    #
+    # 'pointsize': '10pt',
 
-     # Additional stuff for the LaTeX preamble.
-     #
-     # 'preamble': '',
+    # Additional stuff for the LaTeX preamble.
+    #
+    # 'preamble': '',
 
-     # Latex figure (float) alignment
-     #
-     # 'figure_align': 'htbp',
+    # Latex figure (float) alignment
+    #
+    # 'figure_align': 'htbp',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples