Update version.py from autover for various fixes:

  * Allow develop_install to work (holoviz-dev/autover#41)

  * Failed to report 'dirty' for commit count of 0 (holoviz-dev/autover#44)

param/version.py

@@ -379,7 +379,7 @@ def __str__(self):
         release = '.'.join(str(el) for el in self.release)
         prerelease = '' if self.prerelease is None else self.prerelease
 
-        if self.commit_count == 0:
+        if self.commit_count == 0 and not self.dirty:
             return release + prerelease
 
         commit = self.commit
@@ -438,7 +438,7 @@ def verify(self, string_version=None):
 
     @classmethod
     def get_setup_version(cls, setup_path, reponame, describe=False,
-                          dirty='raise', pkgname=None, archive_commit=None):
+                          dirty='report', pkgname=None, archive_commit=None):
         """
         Helper for use in setup.py to get the version from the .version file (if available)
         or more up-to-date information from git describe (if available).
@@ -492,7 +492,7 @@ def extract_directory_tag(cls, setup_path, reponame):
 
     @classmethod
     def setup_version(cls, setup_path, reponame, archive_commit=None,
-                      pkgname=None, dirty='raise'):
+                      pkgname=None, dirty='report'):
         info = {}
         git_describe = None
         pkgname = reponame if pkgname is None else pkgname