Add changelog for issue #1300 - fixed in immediately preceding commits

diff --git a/docs/build/unreleased/1300.rst b/docs/build/unreleased/1300.rst
new file mode 100644 (file)
index 0000000..5cf1026
--- /dev/null
+++ b/docs/build/unreleased/1300.rst
@@ -0,0 +1,7 @@
+.. change::
+    :tags: bug
+    :tickets: 1300
+
+    Fix for exception when generating drop_constraint for ExcludeConstraint 
+    Postgres migrations.
+