We want to use pep440-post as default version scheme

setup.cfg

@@ -5,7 +5,7 @@
 
 [versioneer]
 VCS = git
-style = pep440
+style = pep440-post
 versionfile_source = src/octoprint/_version.py
 versionfile_build = octoprint/_version.py
 tag_prefix =

src/octoprint/_version.py

@@ -40,11 +40,11 @@ def get_config():
     # _version.py
     cfg = VersioneerConfig()
     cfg.VCS = "git"
-    cfg.style = "pep440"
+    cfg.style = "pep440-post"
     cfg.tag_prefix = ""
     cfg.parentdir_prefix = ""
     cfg.versionfile_source = "src/octoprint/_version.py"
-    cfg.lookupfile = None
+    cfg.lookupfile = ".versioneer-lookup"
     cfg.verbose = False
     return cfg
 

versioneer.py

@@ -523,7 +523,7 @@ def get_config():
     cfg.tag_prefix = "%(TAG_PREFIX)s"
     cfg.parentdir_prefix = "%(PARENTDIR_PREFIX)s"
     cfg.versionfile_source = "%(VERSIONFILE_SOURCE)s"
-    cfg.lookupfile = None
+    cfg.lookupfile = "%(LOOKUP_FILE)s"
     cfg.verbose = False
     return cfg
 
@@ -2011,6 +2011,7 @@ def do_setup():
                         "TAG_PREFIX": cfg.tag_prefix,
                         "PARENTDIR_PREFIX": cfg.parentdir_prefix,
                         "VERSIONFILE_SOURCE": cfg.versionfile_source,
+                        "LOOKUP_FILE": cfg.lookupfile
                         })
 
     ipy = os.path.join(os.path.dirname(cfg.versionfile_source),