Fix package structure

pydevd_odoo/__init__.py

@@ -1 +0,0 @@
-from . import pydevd_plugins

pydevd_odoo/pydevd_plugins/extensions/types/__init__.py

@@ -1,5 +0,0 @@
-try:
-    __import__('pkg_resources').declare_namespace(__name__)
-except ImportError:
-    import pkgutil
-    __path__ = pkgutil.extend_path(__path__, __name__)

setup.py

@@ -8,6 +8,8 @@ setup(
     author='Trinh Anh Ngoc',
     author_email='atw1990@gmail.com',
     packages=find_packages(),
+    namespace_packages=['pydevd_plugins.extensions'],
     license='MIT',
     long_description=open('README.md').read(),
+    long_description_content_type='text/markdown'
 )