fix: address config parser differences between py2 and 3

[satra]

No description provided.

[satra]

this resolves nipype.get_info() errors when the package is installed via pip in the following manner: pip install [--upgrade] https://github.com/nipy/nipype/archive/master.zip

[codecov-io]

Codecov Report

Merging #1890 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1890      +/-   ##
==========================================
- Coverage   70.94%   70.94%   -0.01%     
==========================================
  Files        1057     1057              
  Lines       53142    53144       +2     
  Branches     7699     7700       +1     
==========================================
  Hits        37703    37703              
- Misses      14065    14080      +15     
+ Partials     1374     1361      -13

Flag	Coverage Δ
#smoketests	43.41% <80%> (ø)	✅
#unittests	70.39% <100%> (-0.01%)	❌

Impacted Files	Coverage Δ
nipype/pkg_info.py	84.61% <100%> (+0.83%)	✅
nipype/interfaces/base.py	83.28% <0%> (-0.19%)	❌
nipype/workflows/dmri/fsl/artifacts.py	81.28% <0%> (ø)	✅
nipype/interfaces/fsl/utils.py	65.6% <0%> (ø)	✅
nipype/interfaces/io.py	48.16% <0%> (ø)	✅
nipype/interfaces/fsl/base.py	77.17% <0%> (ø)	✅
nipype/interfaces/spm/model.py	41.76% <0%> (ø)	✅
nipype/utils/docparse.py	53.04% <0%> (ø)	✅
nipype/workflows/fmri/fsl/preprocess.py	72.77% <0%> (ø)	✅
nipype/interfaces/spm/preprocess.py	55.93% <0%> (ø)	✅

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov-io]

Codecov Report

Merging #1890 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1890      +/-   ##
==========================================
- Coverage   70.94%   70.94%   -0.01%     
==========================================
  Files        1057     1057              
  Lines       53142    53144       +2     
  Branches     7699     7700       +1     
==========================================
  Hits        37703    37703              
- Misses      14065    14080      +15     
+ Partials     1374     1361      -13

Flag	Coverage Δ
#smoketests	43.41% <80%> (ø)	✅
#unittests	70.39% <100%> (-0.01%)	❌

Impacted Files	Coverage Δ
nipype/pkg_info.py	84.61% <100%> (+0.83%)	✅
nipype/interfaces/base.py	83.28% <0%> (-0.19%)	❌
nipype/interfaces/io.py	48.16% <0%> (ø)	✅
nipype/interfaces/fsl/utils.py	65.6% <0%> (ø)	✅
nipype/workflows/fmri/fsl/preprocess.py	72.77% <0%> (ø)	✅
nipype/workflows/dmri/fsl/artifacts.py	81.28% <0%> (ø)	✅
nipype/utils/docparse.py	53.04% <0%> (ø)	✅
nipype/interfaces/spm/preprocess.py	55.93% <0%> (ø)	✅
nipype/interfaces/spm/model.py	41.76% <0%> (ø)	✅
nipype/interfaces/fsl/base.py	77.17% <0%> (ø)	✅

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update addda24...3967419. Read the comment docs.