Package: python-rpy
Version: 1.0.3-30+b3
Severity: serious
User: helm...@debian.org
Usertags: python-import

After installing python-rpy importing the module rpy
into a python interpreter fails with the following error:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.7/dist-packages/rpy.py", line 134, in <module>
    """ % RVERSION)
RuntimeError: No module named _rpy3044

      RPy module can not be imported. Please check if your rpy
      installation supports R 3.4.4. If you have multiple R versions
      installed, you may need to set RHOME before importing rpy. For
      example:
  
      >>> from rpy_options import set_options
      >>> set_options(RHOME='c:/progra~1/r/rw2011/')
      >>> from rpy import *
      
      

The vast majority of import failures is attributed to missing dependencies.
Often times that manifests as an ImportError or ModuleNotFoundError.
Typically, dependencies should be inserted by dh-python via ${python:Depends}
or ${python3:Depends}. Thus a missing dependency can be caused by incomplete
install_requires in setup.py. Sometimes a missing dependency of a dependency
is the cause, in such cases this bug should be reassigned.

Helmut

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