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Im trying to install Python packages enum and Treedict with Pip. Python is v. 3.7.3 and Pip is v. 19.1.1. Im using PyCharm as my IDE.

I got following error messages:
Treedict:

ERROR: Complete output from command python setup.py egg_info:

File "<string>", line 1, in <module>
File "...\pycharm-packaging\treedict\setup.py", 
line 96
    print "+++++++++++++++++++"
                              ^
SyntaxError: Missing parentheses in call to 'print'. Did you mean print("+++++++++++++++++++")?

enum:

Collecting enum
Using cached https://files.pythonhosted.org/packages/02/a0/32e1d5a21b703f600183e205aafc6773577e16429af5ad3c3f9b956b07ca/enum-0.4.7.tar.gz

ERROR: Complete output from command python setup.py egg_info:
ERROR: Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "...\Python\Python37\lib\site-packages\setuptools\__init__.py", line 6, in <module>
    import distutils.core
  File "...\Python\Python37\lib\distutils\core.py", line 16, in <module>
    from distutils.dist import Distribution
  File "...\Python\Python37\lib\distutils\dist.py", line 9, in <module>
    import re
  File "...\Python\Python37\lib\re.py", line 143, in <module>
    class RegexFlag(enum.IntFlag):
AttributeError: module 'enum' has no attribute 'IntFlag

ERROR: Command "python setup.py egg_info" failed with error code 1 in ...\pip-install-lke25k9k\treedict\

Some packages, such as numpy and cython installed succesfully but these somehow, do not. Any help appreciated. Thanks.

2
  • What actual command were you running? Seems that python is a 2.7 version and not 3.7. – slhck Jun 17 '19 at 6:49
  • python -m pip install treedict. Python should point to a version 3.7 if not mistaken. python -V returns Python 3.7.3. But I also have v. 2.7 on my pc. – Yulia23576 Jun 17 '19 at 7:11
3

TreeDict's last release was in 2013. It's not compatible with Python 3 and therefore cannot be installed. (The errors show that it's using invalid print syntax, for example.)

You probably also don't need to install enum. There is a Q&A at Stack Overflow related to this issue. The solution seems to be to either uninstall the enum34 package – if installed – or make sure that nothing else is overriding your PYTHONPATH environment variable.

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