[Fixes #12229] tinymce is not visible after the upgrade to v4

Author: mattiagiupponi

requirements.txt

@@ -42,7 +42,7 @@ django-guardian<2.4.1
 django-downloadview==2.3.0
 django-polymorphic==3.1.0
 django-tastypie<0.15.0
-django-tinymce==4.0.0
+django-tinymce==3.7.1
 django-grappelli==4.0.1
 django-uuid-upload-path==1.0.0
 django-widget-tweaks==1.5.0

setup.cfg

@@ -68,7 +68,7 @@ install_requires =
     django-downloadview==2.3.0
     django-polymorphic==3.1.0
     django-tastypie<0.15.0
-    django-tinymce==4.0.0
+    django-tinymce==3.7.1
     django-grappelli==4.0.1
     django-uuid-upload-path==1.0.0
     django-widget-tweaks==1.5.0