black and isort incompatible with comments in import

[tbicr]

> black --safe -S --diff .

import time
 
 import numpy as np
 import pandas
 import scipy.sparse as sp
+
 # from sklearn.grid_search import GridSearchCV
 from sklearn.linear_model import ElasticNet, ElasticNetCV, enet_path

isort config:

[isort]
multi_line_output = 3
include_trailing_comma = True
force_grid_wrap = 0
use_parentheses = True
line_length = 100
combine_as_imports = True
sections = FUTURE,STDLIB,THIRDPARTY,FIRSTPARTY,LOCALFOLDER
default_section = THIRDPARTY

Howdy! Sorry you're having trouble. To expedite your experience,
provide some basics for me:

Operating system: Ubuntu 16.04.6 LTS
Python version: 3.7.2
Black version: 19.3b0
Does also happen on master: yes

To answer the last question, you have two options:

1. Use the online formatter at https://black.now.sh/?version=master, which will use the latest master branch.
2. Or run black on your machine:
   • create a new virtualenv (make sure it's the same Python version);
   • clone this repository;
   • run pip install -e .;
   • make sure it's sane by running python setup.py test; and
   • run black like you did last time.

[asfaltboy]

I have the same issue, black adds a space before that commented out import, but isort does not like that space and removes it ... like so:

import time

import numpy as np
import pandas
import scipy.sparse as sp
# from sklearn.grid_search import GridSearchCV
from sklearn.linear_model import ElasticNet, ElasticNetCV, enet_path

[Sharadh]

This seems to be a duplicate of an existing issue: #251

[ambv]

Sharadh is right. Let's focus on #251 instead.