# Buggy code
def help(command, shell):
    # sys.argv[1] will be ..checkenv in activate if an environment is already
    # activated
    # get grandparent process name to see which shell we're using
    if command in ("..activate", "..checkenv"):
        if shell in ["cmd.exe", "powershell.exe"]:
            raise CondaSystemExit("""Usage: activate ENV

Adds the 'Scripts' and 'Library\\bin' directory of the environment ENV to the front of PATH.
ENV may either refer to just the name of the environment, or the full
prefix path.""")

        else:
            raise CondaSystemExit("""Usage: source activate ENV

Adds the 'bin' directory of the environment ENV to the front of PATH.
ENV may either refer to just the name of the environment, or the full
prefix path.""")
    elif command == "..deactivate":
        if shell in ["cmd.exe", "powershell.exe"]:
            raise CondaSystemExit("""Usage: deactivate

Removes the environment prefix, 'Scripts' and 'Library\\bin' directory
of the environment ENV from the front of PATH.""")
        else:
            raise CondaSystemExit("""Usage: source deactivate

Removes the 'bin' directory of the environment activated with 'source
activate' from PATH. """)
    else:
        raise CondaSystemExit("No help available for command %s" % sys.argv[1])


# Traceback (UnicodeEncodeError)
(root) c:\msys64\home\kfranz\continuum\conda>python -m conda create -n qtcrΞator qt=5.6.2 python=3.6
Fetching package metadata ...........
Solving package specifications: .

Package plan for installation in environment C:\conda-root\envs\qtcrΞator:

The following NEW packages will be INSTALLED:

icu:            57.1-vc14_0   [vc14]
jpeg:           9b-vc14_0     [vc14]
libpng:         1.6.27-vc14_0 [vc14]
openssl:        1.0.2k-vc14_0 [vc14]
pip:            9.0.1-py36_1
python:         3.6.1-2
qt:             5.6.2-vc14_3  [vc14]
setuptools:     27.2.0-py36_1
vs2015_runtime: 14.0.25123-0
wheel:          0.29.0-py36_0
zlib:           1.2.8-vc14_3  [vc14]

Proceed ([y]/n)?

icu-57.1-vc14_ 100% |###############################| Time: 0:00:03  10.44 MB/s
jpeg-9b-vc14_0 100% |###############################| Time: 0:00:00  19.74 MB/s
python-3.6.1-2 100% |###############################| Time: 0:00:03  10.96 MB/s
zlib-1.2.8-vc1 100% |###############################| Time: 0:00:00   0.00  B/s
libpng-1.6.27- 100% |###############################| Time: 0:00:00  10.97 MB/s
qt-5.6.2-vc14_ 100% |###############################| Time: 0:00:05  11.55 MB/s
An unexpected error has occurred.
Please consider posting the following information to the
conda GitHub issue tracker at:

https://github.com/conda/conda/issues



Current conda install:

platform : win-64
conda version : 4.3.18.post13+e7b1a6bf
conda is private : False
conda-env version : 4.3.18.post13+e7b1a6bf
conda-build version : not installed
python version : 3.6.1.final.0
requests version : 2.12.4
root environment : C:\conda-root  (writable)
default environment : C:\conda-root
envs directories : C:\conda-root\envs
C:\Users\kfranz\AppData\Local\conda\conda\envs
C:\Users\kfranz\.conda\envs
package cache : C:\conda-root\pkgs
C:\Users\kfranz\AppData\Local\conda\conda\pkgs
channel URLs : https://repo.continuum.io/pkgs/free/win-64
https://repo.continuum.io/pkgs/free/noarch
https://repo.continuum.io/pkgs/r/win-64
https://repo.continuum.io/pkgs/r/noarch
https://repo.continuum.io/pkgs/pro/win-64
https://repo.continuum.io/pkgs/pro/noarch
https://repo.continuum.io/pkgs/msys2/win-64
https://repo.continuum.io/pkgs/msys2/noarch
config file : C:\Users\kfranz\.condarc
offline mode : False
user-agent : conda/4.3.18.post13+e7b1a6bf requests/2.12.4 CPython/3.6.1 Windows/10 Windows/10.0.14393
administrator : unknown

`$ c:\msys64\home\kfranz\continuum\conda\conda\__main__.py create -n qtcrΞator qt=5.6.2 python=3.6`




Traceback (most recent call last):
File "c:\msys64\home\kfranz\continuum\conda\conda\exceptions.py", line 632, in conda_exception_handler
return_value = func(*args, **kwargs)
File "c:\msys64\home\kfranz\continuum\conda\conda\cli\main.py", line 134, in _main
exit_code = args.func(args, p)
File "c:\msys64\home\kfranz\continuum\conda\conda\cli\main_create.py", line 68, in execute
install(args, parser, 'create')
File "c:\msys64\home\kfranz\continuum\conda\conda\cli\install.py", line 357, in install
execute_actions(actions, index, verbose=not context.quiet)
File "c:\msys64\home\kfranz\continuum\conda\conda\plan.py", line 830, in execute_actions
execute_instructions(plan, index, verbose)
File "c:\msys64\home\kfranz\continuum\conda\conda\history.py", line 75, in __exit__
self.update('exit')
File "c:\msys64\home\kfranz\continuum\conda\conda\history.py", line 104, in update
self.write_changes(last, curr)
File "c:\msys64\home\kfranz\continuum\conda\conda\history.py", line 263, in write_changes
write_head(fo)
File "c:\msys64\home\kfranz\continuum\conda\conda\history.py", line 27, in write_head
fo.write("# cmd: %s\n" % (' '.join(sys.argv)))
File "C:\conda-root\lib\encodings\cp1252.py", line 19, in encode
return codecs.charmap_encode(input,self.errors,encoding_table)[0]
UnicodeEncodeError: 'charmap' codec can't encode character '\u039e' in position 77: character maps to <undefined>

# Fixed code
def help(command, shell):
    # sys.argv[1] will be ..checkenv in activate if an environment is already
    # activated
    # get grandparent process name to see which shell we're using
    if command in ("..activate", "..checkenv"):
        if shell in ["cmd.exe", "powershell.exe"]:
            raise CondaSystemExit("""Usage: activate ENV

Adds the 'Scripts' and 'Library\\bin' directory of the environment ENV to the front of PATH.
ENV may either refer to just the name of the environment, or the full
prefix path.""")

        else:
            raise CondaSystemExit("""Usage: source activate ENV

Adds the 'bin' directory of the environment ENV to the front of PATH.
ENV may either refer to just the name of the environment, or the full
prefix path.""")
    elif command == "..deactivate":
        if shell in ["cmd.exe", "powershell.exe"]:
            raise CondaSystemExit("""Usage: deactivate

Removes the environment prefix, 'Scripts' and 'Library\\bin' directory
of the environment ENV from the front of PATH.""")
        else:
            raise CondaSystemExit("""Usage: source deactivate

Removes the 'bin' directory of the environment activated with 'source
activate' from PATH. """)
    else:
        raise CondaSystemExit(
            "No help available for command %s" % ensure_text_type(sys.argv[1])
        )