ubuntu18.04安装ros-melodic在sudo rosdep init时报错：
Traceback (most recent call last):
File "/usr/bin/rosdep", line 11, in
load_entry_point('rosdep==0.21.0', 'console_scripts', 'rosdep')()
File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 480, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 2693, in load_entry_point
return ep.load()
File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 2324, in load
return self.resolve()
File "/usr/lib/python2.7/dist-packages/pkg_resources/init.py", line 2330, in resolve
module = import(self.module_name, fromlist=['name'], level=0)
File "/usr/lib/python2.7/dist-packages/rosdep2/init.py", line 45, in
from .lookup import RosdepDefinition, RosdepView, RosdepLookup,
File "/usr/lib/python2.7/dist-packages/rosdep2/lookup.py", line 44, in
from .sources_list import SourcesListLoader
File "/usr/lib/python2.7/dist-packages/rosdep2/sources_list.py", line 50, in
from .gbpdistro_support import get_gbprepo_as_rosdep_data, download_gbpdistro_as_rosdep_data
File "/usr/lib/python2.7/dist-packages/rosdep2/gbpdistro_support.py", line 21, in
from .rosdistrohelper import get_targets, get_release_file, PreRep137Warning
File "/usr/lib/python2.7/dist-packages/rosdep2/rosdistrohelper.py", line 30, in
import rosdistro
File "/usr/lib/python2.7/dist-packages/rosdistro/init.py", line 51, in
from .distribution import Distribution # noqa
File "/usr/lib/python2.7/dist-packages/rosdistro/distribution.py", line 36, in
from .manifest_provider.github import github_manifest_provider, github_source_manifest_provider
File "/usr/lib/python2.7/dist-packages/rosdistro/manifest_provider/github.py", line 121
logger.debug('- load package.xml from %s' % url)
^
IndentationError: unexpected indent
有没有人解决过？？求解