Fixed doc conf.py so it correctly sets PYTHONPATH for autodoc feature.

cmd2.py

@@ -1455,7 +1455,13 @@ def do__relative_load(self, arg=None):
             self.do_load('%s %s' % (targetname, args))
 
     def do_load(self, arg=None):
-        """Runs script of command(s) from a file or URL."""
+        """Runs script of command(s) from a file or URL.
+        
+        Script should contain one command per line, just like command would be typed in console.
+        
+        :param arg: str - Path of file to load and run commands from.
+        :return: bool - True if application should stop (script contained 'quit', typically False to continue running.
+        """
         # If arg is None or arg is an empty string, use the default filename
         if not arg:
             targetname = self.default_file_name

docs/conf.py

@@ -17,9 +17,9 @@
 # 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.
 #
-# import os
-# import sys
-# sys.path.insert(0, os.path.abspath('.'))
+import os
+import sys
+sys.path.insert(0, os.path.abspath('..'))
 
 # Import for custom theme from Read the Docs
 import sphinx_rtd_theme
@@ -32,7 +32,10 @@
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc', 'sphinx.ext.doctest', 'sphinx.ext.intersphinx', 'sphinx.ext.todo']
+extensions = ['sphinx.ext.autodoc',
+              'sphinx.ext.intersphinx',
+              'sphinx.ext.doctest',
+              'sphinx.ext.todo']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -160,3 +163,6 @@
 # -- Options for Extensions  -------------------------------------------
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {'http://docs.python.org/': None}
+
+# Mock 3rd-party dependencies so they don't need to be installed for building docs
+autodoc_mock_imports = ['six']