Fix empty entry points

[marcelotrevisani]

cc: @ocefpaf

[codecov]

Codecov Report

Merging #121 into master will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #121      +/-   ##
==========================================
+ Coverage   90.88%   90.96%   +0.07%     
==========================================
  Files          14       14              
  Lines        1295     1306      +11     
==========================================
+ Hits         1177     1188      +11     
  Misses        118      118              

Impacted Files	Coverage Δ
grayskull/pypi/pypi.py	95.43% <100.00%> (+0.08%)	⬆️

---

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 cd2d206...c05bdfe. Read the comment docs.