bump version

.bumpversion.cfg

@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 1, 2, 0, 'alpha', 0
+current_version = 2, 0, 0, 'alpha', 0
 commit = False
 tag = False
 parse = (?P<major>\d+)\,\ (?P<minor>\d+)\,\ (?P<patch>\d+)\,\ \'(?P<release>\S+)\'\,\ (?P<build>\d+)

jupyterlab/_version.py

@@ -12,7 +12,7 @@ VersionInfo = namedtuple('VersionInfo', [
 ])
 
 # DO NOT EDIT THIS DIRECTLY!  It is managed by bumpversion
-version_info = VersionInfo(1, 2, 0, 'alpha', 0)
+version_info = VersionInfo(2, 0, 0, 'alpha', 0)
 
 _specifier_ = {'alpha': 'a', 'beta': 'b', 'candidate': 'rc', 'final': ''}