fix coding style

playbooks/roles/edxapp/tasks/deploy.yml

@@ -190,14 +190,14 @@
 
 # Install the python custom requirements into {{ edxapp_venv_dir }}
 
-- stat: path="{{custom_requirements_file}}"
+- stat: path="{{ custom_requirements_file }}"
   register: custom_requirements
   sudo_user: "{{ edxapp_user }}"
 
 - name : install python custom-requirements
   pip: >
-    requirements="{{custom_requirements_file}}"
-    virtualenv="{{edxapp_venv_dir}}"
+    requirements="{{ custom_requirements_file }}"
+    virtualenv="{{ edxapp_venv_dir }}"
     state=present
     extra_args="-i {{ COMMON_PYPI_MIRROR_URL }}"
   sudo_user: "{{ edxapp_user }}"