double quotation support for bumpversion removed

Author: lnxpy

setup.cfg

@@ -1,15 +1,15 @@
 [bumpversion]
-current_version = 1.0.5
+current_version = 1.0.4
 commit = True
 tag = True
 
 [bumpversion:file:setup.py]
-search = version="{current_version}"
-replace = version="{new_version}"
+search = version='{current_version}'
+replace = version='{new_version}'
 
 [bumpversion:file:django_psdb_engine/__init__.py]
-search = __version__ = "{current_version}"
-replace = __version__ = "{new_version}"
+search = __version__ = '{current_version}'
+replace = __version__ = '{new_version}'
 
 [bdist_wheel]
 universal = 1