Merge pull request #211 from certbot/black-double-quote

Use double quotes instead of single quotes in version number to make black happy for the release

Author: wgreenberg

tools/release.sh

@@ -89,8 +89,8 @@ git checkout "$RELEASE_BRANCH"
 SetVersion() {
     ver="$1"
     short_ver=$(echo "$ver" | cut -d. -f1,2)
-    sed -i "s/^release.*/release = '$ver'/" docs/conf.py
-    sed -i "s/^version.*/version = '$short_ver'/" docs/conf.py
+    sed -i "s/^release.*/release = \"$ver\"/" docs/conf.py
+    sed -i "s/^version.*/version = \"$short_ver\"/" docs/conf.py
     poetry version "$ver"
 
     # interactive user input