diff --git a/MANIFEST.in b/MANIFEST.in
index b1bf562..e86ae54 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,6 @@
 include README.rst
 include LICENSE
 include CHANGELOG.rst
+include CONTRIBUTORS.rst
 recursive-include tests *
 recursive-include docs *
diff --git a/format.sh b/format.sh
new file mode 100644
index 0000000..3a0ecb9
--- /dev/null
+++ b/format.sh
@@ -0,0 +1,3 @@
+isort $(find pyexcel_ods -name "*.py"|xargs echo) $(find tests -name "*.py"|xargs echo)
+black -l 79 pyexcel_ods
+black -l 79 tests