some minor fixes

[antgonza]

last night I updated the qiita server to have the latest code and realized that there was a small bug with the new filtering per tag functionality so decided to fix directly so it wasn't broken, here the fix and adding an ignore file to codecov as it was also expecting tests for the patches ...

[codecov-io]

Codecov Report

Merging #2204 into master will increase coverage by 0.8%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #2204     +/-   ##
=========================================
+ Coverage   92.04%   92.84%   +0.8%     
=========================================
  Files         191      171     -20     
  Lines       19515    18877    -638     
=========================================
- Hits        17963    17527    -436     
+ Misses       1552     1350    -202

Impacted Files	Coverage Δ
...iita_db/support_files/patches/python_patches/55.py
...iita_db/support_files/patches/python_patches/14.py
...iita_db/support_files/patches/python_patches/53.py
...iita_db/support_files/patches/python_patches/51.py
...iita_db/support_files/patches/python_patches/47.py
...iita_db/support_files/patches/python_patches/15.py
...iita_db/support_files/patches/python_patches/30.py
...iita_db/support_files/patches/python_patches/36.py
qiita_db/support_files/patches/python_patches/7.py
...iita_db/support_files/patches/python_patches/34.py
... and 11 more

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