Merge pull request #8045 from afshin/include-yarnrc

Add .yarnrc explicitly in Python setup

setup.py

@@ -37,8 +37,8 @@ data_files_spec = [
 
 package_data_spec = dict()
 package_data_spec[NAME] = [
-    'staging/*', 'staging/templates/*', 'static/**', 'tests/mock_packages/**',
-    'themes/**', 'schemas/**', '*.js'
+    'staging/*', 'staging/templates/*', 'staging/.yarnrc',
+    'static/**', 'tests/mock_packages/**', 'themes/**', 'schemas/**', '*.js'
 ]