Adjust docs to require progress to build

Changelog

@@ -4,6 +4,7 @@ Bug Fixes:
 - Avoid loading optional cmd groups specified in same pkg with mantatory
     comand groups, except if user requests otherwise ( #4114 )
 - Ignore subdir output in container_get with prefix+delimiter [#4134]
+- Fix the split-input bug in repeatable k=v args [#4232]
 
 Changes:
 

docs/conf.py

@@ -59,7 +59,14 @@ try:
     PooledHTTPConnection
 except ImportError:
     stderr.write("`objpool` package is required to build kamaki docs.\n")
-    # raise
+    raise
+
+try:
+    from progress.bar import ShadyBar
+    ShadyBar
+except ImportError:
+    stderr.write("`progress` package is required to build kamaki docs.\n")
+    raise
 
 path.insert(0, os.path.join(os.path.abspath(os.path.dirname(__file__)), '..'))