Place everything sphinx related in the same spot

docs/conf.py

@@ -16,9 +16,6 @@
 import sys
 import os
 
-sys.path.insert(0, os.path.abspath('../'))
-import sphinx_bootstrap_theme
-
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
@@ -122,6 +119,9 @@ todo_include_todos = True
 # a list of builtin themes.
 on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
 if on_rtd:
+    sys.path.insert(0, os.path.abspath('../'))
+    import sphinx_bootstrap_theme
+
     html_theme = 'bootstrap'
     # Theme options are theme-specific and customize the look and feel of a theme
     # further.  For a list of options available for each theme, see the