Pin tastypie at 0.14.3. Related to ietf-tools#3500. Commit ready to merge.

 - Legacy-Id: 19804

Author: rjsparks

requirements.txt

@@ -22,7 +22,7 @@ django-password-strength>=1.2.1
 django-referrer-policy>=1.0
 django-simple-history>=2.3.0
 django-stubs==1.6.0		# The django-stubs version used determines the the mypy version indicated below
-django-tastypie>=0.14.3         # Django 2.1 will require 0.14.2; Django 3.0 will require 0.14.3
+django-tastypie==0.14.3         # Django 2.1 will require 0.14.2; Django 3.0 will require 0.14.3
 django-webtest>=1.9.7
 django-widget-tweaks>=1.4.2
 docutils>=0.12,!=0.15