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Python Development Workflow for Humans.
https://pipenv.pypa.io
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NameError: name 'unicode' is not defined #3387

Closed eromoe closed 5 years ago

eromoe commented 5 years ago

Issue description


[hadoop@ip-192-168-0-84 sales-forecast]$ pipenv install --python 3
Virtualenv already exists!
Removing existing virtualenv...
Creating a virtualenv for this project...
Pipfile: /home/hadoop/sales-forecast/Pipfile
Using /usr/bin/python3.4 (3.4.8) to create virtualenv...
⠼ Creating virtual environment...Using base prefix '/usr'
New python executable in /home/hadoop/.local/share/virtualenvs/sales-forecast-ZYWIRznP/bin/python3.4
Also creating executable in /home/hadoop/.local/share/virtualenvs/sales-forecast-ZYWIRznP/bin/python
Installing setuptools, pip, wheel...done.
Running virtualenv with interpreter /usr/bin/python3.4

✔ Successfully created virtual environment!
Virtualenv location: /home/hadoop/.local/share/virtualenvs/sales-forecast-ZYWIRznP
requirements.txt found, instead of Pipfile! Converting...
✔ Success!
Warning: Your Pipfile now contains pinned versions, if your requirements.txt did.
We recommend updating your Pipfile to specify the "*" version, instead.
Pipfile.lock not found, creating...
Locking [dev-packages] dependencies...
Locking [packages] dependencies...
✘ Locking Failed!
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/site-packages/pipenv/resolver.py", line 126, in <module>
    main()
  File "/usr/local/lib/python2.7/site-packages/pipenv/resolver.py", line 119, in main
    parsed.requirements_dir, parsed.packages)
  File "/usr/local/lib/python2.7/site-packages/pipenv/resolver.py", line 85, in _main
    requirements_dir=requirements_dir,
  File "/usr/local/lib/python2.7/site-packages/pipenv/resolver.py", line 69, in resolve
    req_dir=requirements_dir
  File "/usr/local/lib/python2.7/site-packages/pipenv/utils.py", line 700, in resolve_deps
    from .vendor.requirementslib.models.requirements import Requirement
  File "/usr/local/lib/python2.7/site-packages/pipenv/vendor/requirementslib/__init__.py", line 14, in <module>
    from .models.pipfile import Pipfile
  File "/usr/local/lib/python2.7/site-packages/pipenv/vendor/requirementslib/models/pipfile.py", line 23, in <module>
    from ..environment import MYPY_RUNNING
  File "/usr/local/lib/python2.7/site-packages/pipenv/vendor/requirementslib/environment.py", line 17, in <module>
    MYPY_RUNNING = os.environ.get("MYPY_RUNNING", is_type_checking())
  File "/usr/local/lib/python2.7/site-packages/pipenv/vendor/requirementslib/environment.py", line 10, in is_type_checking
    from typing import TYPE_CHECKING
  File "/usr/local/lib/python2.7/site-packages/typing.py", line 624, in <module>
    AnyStr = TypeVar('AnyStr', bytes, unicode)
NameError: name 'unicode' is not defined
File "/usr/local/lib/python2.7/site-packages/pipenv/resolver.py", line 126, in <module>
    main()
  File "/usr/local/lib/python2.7/site-packages/pipenv/resolver.py", line 119, in main
    parsed.requirements_dir, parsed.packages)
  File "/usr/local/lib/python2.7/site-packages/pipenv/resolver.py", line 85, in _main
    requirements_dir=requirements_dir,
  File "/usr/local/lib/python2.7/site-packages/pipenv/resolver.py", line 69, in resolve
    req_dir=requirements_dir
  File "/usr/local/lib/python2.7/site-packages/pipenv/utils.py", line 700, in resolve_deps
    from .vendor.requirementslib.models.requirements import Requirement
  File "/usr/local/lib/python2.7/site-packages/pipenv/vendor/requirementslib/__init__.py", line 14, in <module>
    from .models.pipfile import Pipfile
  File "/usr/local/lib/python2.7/site-packages/pipenv/vendor/requirementslib/models/pipfile.py", line 23, in <module>
    from ..environment import MYPY_RUNNING
  File "/usr/local/lib/python2.7/site-packages/pipenv/vendor/requirementslib/environment.py", line 17, in <module>
    MYPY_RUNNING = os.environ.get("MYPY_RUNNING", is_type_checking())
  File "/usr/local/lib/python2.7/site-packages/pipenv/vendor/requirementslib/environment.py", line 10, in is_type_checking
    from typing import TYPE_CHECKING
  File "/usr/local/lib/python2.7/site-packages/typing.py", line 624, in <module>
    AnyStr = TypeVar('AnyStr', bytes, unicode)
NameError: name 'unicode' is not defined
$ pipenv --support Pipenv version: `'2018.11.26'` Pipenv location: `'/usr/local/lib/python2.7/site-packages/pipenv'` Python location: `'/usr/bin/python2.7'` Python installations found: - `3.4.8`: `/usr/bin/python3` - `2.7.14`: `/usr/bin/python2.7` - `3.4.8`: `/usr/bin/python3.4m` PEP 508 Information: ``` {'implementation_name': 'cpython', 'implementation_version': '0', 'os_name': 'posix', 'platform_machine': 'x86_64', 'platform_python_implementation': 'CPython', 'platform_release': '4.14.72-68.55.amzn1.x86_64', 'platform_system': 'Linux', 'platform_version': '#1 SMP Fri Sep 28 21:14:54 UTC 2018', 'python_full_version': '2.7.14', 'python_version': '2.7', 'sys_platform': 'linux2'} ``` System environment variables: - `AWS_PATH` - `PYTHONDONTWRITEBYTECODE` - `LESSOPEN` - `SSH_CLIENT` - `LOGNAME` - `USER` - `HOME` - `PATH` - `PS1` - `LANG` - `LESS_TERMCAP_se` - `TERM` - `SHELL` - `EC2_AMITOOL_HOME` - `LESS_TERMCAP_me` - `LESS_TERMCAP_md` - `LESS_TERMCAP_mb` - `HISTSIZE` - `PYTHONFINDER_IGNORE_UNSUPPORTED` - `AWS_ELB_HOME` - `JAVA_HOME` - `EC2_HOME` - `LESS_TERMCAP_ue` - `AWS_AUTO_SCALING_HOME` - `PIP_PYTHON_PATH` - `_` - `AWS_DEFAULT_REGION` - `SSH_CONNECTION` - `AWS_CLOUDWATCH_HOME` - `SSH_TTY` - `OLDPWD` - `HOSTNAME` - `HISTCONTROL` - `SHLVL` - `PWD` - `LESS_TERMCAP_us` - `PIP_SHIMS_BASE_MODULE` - `PIP_DISABLE_PIP_VERSION_CHECK` - `MAIL` - `LS_COLORS` Pipenv–specific environment variables: Debug–specific environment variables: - `PATH`: `/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/aws/bin` - `SHELL`: `/bin/bash` - `LANG`: `en_US.UTF-8` - `PWD`: `/home/hadoop/sales-forecast` --------------------------- Contents of `Pipfile` ('/home/hadoop/sales-forecast/Pipfile'): ```toml [[source]] name = "pypi" url = "https://pypi.org/simple" verify_ssl = true [dev-packages] [packages] numpy = "*" scipy = "*" scikit-learn = "==0.19.1" statsmodels = "*" xgboost = "*" pystan = "*" fbprophet = "*" matplotlib = "==2.2.3" seaborn = "*" redis = "*" sqlalchemy = "*" mysqlclient = "*" pyarrow = "==0.11.1" hdfs = "*" hdfs3 = "*" s3fs = "*" python-dateutil = "*" chinesecalendar = "*" pandas = "*" h5py = "*" lxml = "*" openpyxl = "*" xlrd = "*" click = "*" pathlib2 = "*" python-dotenv = "*" environs = "*" joblib = "*" tqdm = "*" dask = {extras = ["complete"],version = "*"} [requires] python_version = "3.4" ```
jxltom commented 5 years ago

You are using python2, but it raises unicode not defined error. I have no clue...

nicktimko commented 5 years ago

Wondering if it's actually running Python 3 but the paths are screwed up so it's importing from the 2.7 directories?

frostming commented 5 years ago

Hmmm, this only happens with the combination of "Pipenv installed under 2.7" and "virtualenv python<3.5" because python<3.5 doesn't have typing module. It is a good catch.

jxltom commented 5 years ago

Python2 has typing module. I suspect this is because the python installation is messed up and probably it is not a bug with pipenv.

frostming commented 5 years ago

@jxltom Let me elaborate it:

User installed pipenv under python2.7, with the dependencies of typing(which only works under python2.7), then work in a virtualenv of Python 3.4, which doesn't have typing module. However, pipenv lock will use the virtualenv interpreter(python3.4) to call resolver.py, and import the wrong typing module(this is expected because the Pipenv interpreter site-packages is also in PYTHONPATH).

With Python >= 3.5, this isn't a problem because the stdlib typing module takes priority to Python 2 typing module.

jxltom commented 5 years ago

@frostming Sounds reasonable 👍