title: Error with 'reticulate' r-package importing python script
body: <p>I'm trying to use "reticulate" package to import 'mycode.py'.
  There are many questions on StackOverflow, but no one of them can solve my problem.</p>
  
  <p>I did in 2 ways but I get quite the same error.</p>
  
  <p>1) <code>source_python("/user/mycode.py")</code></p>
  
  <p>and I get this error:</p>
  
  <pre><code>Error in py_run_file_impl(file, local, convert) : ImportError: /lib64/libstdc++.so.6: version `CXXABI_1.3.9' not found (required by /user/.conda/envs/myenv/lib/python3.7/site-packages/scipy/sparse/_sparsetools.cpython-37m-x86_64-linux-gnu.so)
  </code></pre>
  
  <p>2) <code>import_from_path('mycode', path='/user/', convert=TRUE)</code></p>
  
  <p>and I get this error:</p>
  
  <pre><code>Error in py_module_import(module, convert = convert) : ImportError: /lib64/libstdc++.so.6: version `CXXABI_1.3.9' not found (required by /user/.conda/envs/myenv/lib/python3.7/site-packages/scipy/sparse/_sparsetools.cpython-37m-x86_64-linux-gnu.so)
  </code></pre>