outline tool does not work if relative path to source module is not valid

PIDA 0.6beta3
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            # In my project folder I have eggs which contain source. The path to the source
            # is not a valid python import path. I use this logic to create an import path.
            # For example if I have an egg zope.app.security in my project folder, I include
            # it in my PYTHON_PATH and then import files using zope.app.security.xxxx, rather
            # than zope.app.security.zope.app.security.xxx

Patch to ropebrowser.py, line 311

            if len(parts) > 0 and not self.modname.startswith('/'):
                import os.path
                base_path = project.source_directory + '/'
                all_paths = []
                for p in range(1, len(parts)):
                    all_paths.insert(0, '/'.join(parts[:p]))
                longest_path = None
                for path in all_paths:
                    init_path = base_path + path + '/__init__.py'
                    if not (os.path.exists(init_path) or
                            os.path.exists(init_path + 'c') or
                            os.path.exists(init_path + 'o')):
                        longest_path = '/'.join(parts[:-1])[len(path)+1:]
                        break
                if longest_path:
                    self.modname = (longest_path + '/' + parts[-1][:-3]).replace('/', '.')