Block pyyaml

Author: ericholscher

requirements/docs.in

@@ -1,3 +1,4 @@
+# pyup: ignore file
 # Packages required to build docs, independent of application dependencies
 
 Sphinx==4.5.0
@@ -24,3 +25,6 @@ rstcheck==5.0.0
 
 # Markdown
 myst_parser==0.17.2
+
+# awscli (requirements/docker.txt) isn't compatible with pyyaml >= 5.5.
+pyyaml==5.4.1

requirements/docs.txt

@@ -1,5 +1,5 @@
 # pyup: ignore file
-
+#
 # This file is autogenerated by pip-compile with python 3.7
 # To update, run:
 #
@@ -65,7 +65,9 @@ pyparsing==3.0.8
 pytz==2022.1
     # via babel
 pyyaml==5.4.1
-    # via myst-parser
+    # via
+    #   -r docs.in
+    #   myst-parser
 readthedocs-sphinx-search==0.1.1
     # via -r docs.in
 requests==2.27.1