diff --git a/MANIFEST.in b/MANIFEST.in
index d88af1d9..bddc21f1 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,7 +1,6 @@
 include *.ipynb
 include *.py
 include *.rst
-include *.yaml
 include COPYING
 recursive-include benchmarks *.py
 recursive-include docs *.py
@@ -12,4 +11,5 @@ recursive-include examples *.csv
 recursive-include examples *.json
 recursive-include examples testfixed
 recursive-include tests *.py
+exclude .pre-commit-config.yaml
 global-exclude *.pyc
diff --git a/charts.py b/charts.py
old mode 100644
new mode 100755