Log Message:
py-fonttools: updated to 3.41.0

3.41.0:
- [varLib/cffLib] Added support for building CFF2 variable font from sparse
  masters, or masters with more than one model (multiple VarStore.VarData).
  In cffLib.specializer, added support for CFF2 CharStrings with
  blend operators.
- [subset] Fixed subsetting HVAR and VVAR with --retain-gids option,
  and when advances mapping is null while sidebearings mappings are non-null
- Added otlLib.maxContextCalc module to compute OS/2.usMaxContext value.
  Calculate it automatically when compiling features with feaLib. Added option
  --recalc-max-context to subset module
- [otBase/otTables] Fixed AttributeError on missing OT table fields after
  importing font from TTX
- [Silf] Fixed typo Silf table's decompile method
- [otlLib] Better compress GPOS SinglePos (LookupType 1) subtables

3.40.0:
- [subset] Fixed error while subsetting VVAR with --retain-gids
  option
- [designspaceLib] Use up-to-date default location in findDefault method
- [voltLib] Allow passing file-like object to Parser.
- [arrayTools/glyf] calcIntBounds (used to compute bounding boxes of glyf
  table's glyphs) now uses otRound instead of round3
- [svgLib] Added support for converting more SVG shapes to path d strings
  (ellipse, line, polyline), as well as support for transform attributes.
  Only matrix transformations are currently supported
- [varLib] Added support for building VVAR table from vmtx and VORG
  tables
- [fontBuilder] Enable making CFF2 fonts with post table format 2
- Fixed DeprecationWarning on invalid escape sequences