Error While executing: conda env update
I followed the exact instruction, but got an error at the end of conda env update.
Here is the error:
Exception:
Traceback (most recent call last):
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pkg_resources/init.py”, line 2869, in _dep_map
return self.__dep_map
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pkg_resources/init.py”, line 2663, in getattr
raise AttributeError(attr)
AttributeError: _DistInfoDistribution__dep_map
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/packaging/requirements.py”, line 93, in init
req = REQUIREMENT.parseString(requirement_string)
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pyparsing.py”, line 1632, in parseString
raise exc
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pyparsing.py”, line 1622, in parseString
loc, tokens = self._parse( instring, 0 )
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pyparsing.py”, line 1379, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pyparsing.py”, line 3395, in parseImpl loc, exprtokens = e._parse( instring, loc, doActions )
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pyparsing.py”, line 1383, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pyparsing.py”, line 3183, in parseImpl raise ParseException(instring, loc, self.errmsg, self)
pip._vendor.pyparsing.ParseException: Expected stringEnd (at char 33), (line:1, col:34)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pkg_resources/init.py”, line 2949, in init
super(Requirement, self).init(requirement_string)
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/packaging/requirements.py”, line 97, in init
requirement_string[e.loc:e.loc + 8]))
pip._vendor.packaging.requirements.InvalidRequirement: Invalid requirement, parse error at “’; extra '”
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_internal/basecommand.py”, line 141, in main
status = self.run(options, args)
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_internal/commands/install.py”, line 299, in run
resolver.resolve(requirement_set)
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_internal/resolve.py”, line 102, in resolve
self._resolve_one(requirement_set, req)
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_internal/resolve.py”, line 306, in _resolve_one
set(req_to_install.extras) - set(dist.extras)
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pkg_resources/init.py”, line 2826, in extras
return [dep for dep in self._dep_map if dep]
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pkg_resources/init.py”, line 2871, in _dep_map
self.__dep_map = self._compute_dependencies()
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pkg_resources/init.py”, line 2881, in _compute_dependencies
reqs.extend(parse_requirements(req))
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pkg_resources/init.py”, line 2942, in parse_requirements
yield Requirement(line)
File “/home/ramin/anaconda3/envs/fastai/lib/python3.6/site-packages/pip/_vendor/pkg_resources/init.py”, line 2951, in init
raise RequirementParseError(str(e))
pip._vendor.pkg_resources.RequirementParseError: Invalid requirement, parse error at “’; extra '”