[Bug] SyntaxWarning: "is" with a literal. Did you mean "=="? if value is '':

[jidanni]

Seen on Debian upgrade:

/usr/lib/grass78/etc/python/grass/pygrass/gis/__init__.py:75: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if value is '':
/usr/lib/grass78/etc/python/grass/temporal/core.py:65: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if do_profiling is "True" or do_profiling is "1":
/usr/lib/grass78/etc/python/grass/temporal/core.py:65: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if do_profiling is "True" or do_profiling is "1":
/usr/lib/grass78/etc/python/grass/temporal/core.py:582: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if driver_string is not None and driver_string is not "":
/usr/lib/grass78/etc/python/grass/temporal/temporal_algebra.py:2295: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if map_i.get_type() is "raster" or map_i.get_type() is "raster3d":
/usr/lib/grass78/etc/python/grass/temporal/temporal_algebra.py:2295: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if map_i.get_type() is "raster" or map_i.get_type() is "raster3d":
/usr/lib/grass78/gui/wxpython/core/gconsole.py:600: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if line[0] is '#' and line[1] is '%':
/usr/lib/grass78/gui/wxpython/core/gconsole.py:600: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if line[0] is '#' and line[1] is '%':
/usr/lib/grass78/gui/wxpython/dbmgr/vinfo.py:170: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if where is None or where is '':
/usr/lib/grass78/gui/wxpython/gmodeler/model.py:261: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if not mapName or mapName[0] is '%':
/usr/lib/grass78/gui/wxpython/gui_core/gselect.py:1868: SyntaxWarning: "is" with a literal. Did you mean "=="?
  self.changingSizer.Show(self.dbPanel, show=(sourceType is 'db'))
/usr/lib/grass78/gui/wxpython/location_wizard/wizard.py:1306: SyntaxWarning: "is" with a literal. Did you mean "=="?
  if self.scope is 'earth':

[petrasovaa]

This seems to be fixed in 78 branch already.