change quotes

.bumpversion.cfg

@@ -1,13 +1,13 @@
 [bumpversion]
-current_version = 1.0.9
+current_version = develop
 commit = False
 tag = True
 tag_name = {new_version}
 message = Bump version: {current_version} -> {new_version}
 
 [bumpversion:file:semver/__init__.py]
-search = version = {current_version}
-replace = version = {new_version}
+search = version = '{current_version}'
+replace = version = '{new_version}'
 
 [semver]
 main_branches = develop

semver/__init__.py

@@ -9,7 +9,7 @@ except ImportError:
     # Python < 3
     from ConfigParser import ConfigParser
 
-version = "1.0.9"
+version = 'develop'
 
 
 # Define common exceptions;