numpy==1.17.4  # numerical operations
scipy==1.4.0  # temporary mat file saving for MCR binary inputs
pandas==0.24.2  # tabular data processing
matplotlib==3.0.3  # plotting
json_tricks==3.12.1  # saving json files with classes and numpy arrays
eyeD3==0.8.11  # reading metadata embedded in the audio recordings
python-Levenshtein==0.12.0  # semiotic structure labeling similarity
networkx==1.11  # semiotic structure labeling clique computation
lxml==4.6.2  # musicxml conversion
musicbrainzngs==0.6  # metadata crawling from musicbrainz
essentia==2.1b5;platform_system=='Linux'  # music signal processing
numpy==1.17.4  # numerical operations
scipy==1.4.0  # temporary mat file saving for MCR binary inputs
pandas==0.24.2  # tabular data processing
matplotlib==3.0.3  # plotting
json_tricks==3.12.1  # saving json files with classes and numpy arrays
eyeD3==0.8.11  # reading metadata embedded in the audio recordings
python-Levenshtein==0.12.0  # semiotic structure labeling similarity
networkx==1.11  # semiotic structure labeling clique computation
lxml==4.6.3  # musicxml conversion
musicbrainzngs==0.6  # metadata crawling from musicbrainz
essentia==2.1b5;platform_system=='Linux'  # music signal processing
Bump lxml from 4.6.2 to 4.6.3
Bump lxml from 4.6.2 to 4.6.3

Bumps [lxml](https://github.com/lxml/lxml) from 4.6.2 to 4.6.3.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](https://github.com/lxml/lxml/compare/lxml-4.6.2...lxml-4.6.3)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>