[SkyMarshal] Drop six dependency

Topic: sm-no-six Reviewers: brad,nathan,ryan-b,danny GitOrigin-RevId: 2eda0ed7a5178e2050b68819ede63260b06122ff
symforce-org · Mar 9, 2024 · b503a1c · b503a1c
1 parent 8fcda04
commit b503a1c
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diff --git a/dev_requirements.txt b/dev_requirements.txt
@@ -284,7 +284,6 @@ six==1.16.0
     #   asttokens
     #   bleach
     #   python-dateutil
-    #   skymarshal
 file:./third_party/skymarshal
     # via symforce (setup.py)
 snowballstemmer==2.2.0

diff --git a/third_party/skymarshal/setup.cfg b/third_party/skymarshal/setup.cfg
@@ -28,7 +28,6 @@ install_requires =
     jinja2
     numpy
     ply
-    six
 
 [options.packages.find]
 include =

diff --git a/third_party/skymarshal/skymarshal/emit_cpp.py b/third_party/skymarshal/skymarshal/emit_cpp.py
@@ -8,7 +8,6 @@
 import os
 import typing as T
 
-import six
 from skymarshal import syntax_tree
 from skymarshal.emit_helpers import BaseBuilder, Code, EnumBuilder, StructBuilder, render
 from skymarshal.language_plugin import SkymarshalLanguage

diff --git a/third_party/skymarshal/skymarshal/skymarshal.py b/third_party/skymarshal/skymarshal/skymarshal.py
@@ -12,7 +12,6 @@
 import sys
 import typing as T
 
-import six
 from skymarshal.language_plugin import SkymarshalLanguage  # pylint: disable=unused-import
 from skymarshal.package_map import parse_lcmtypes
 

diff --git a/third_party/skymarshal/skymarshal/syntax_tree.py b/third_party/skymarshal/skymarshal/syntax_tree.py
@@ -5,7 +5,6 @@
 import typing as T
 
 from numpy import int64
-from six import iteritems  # pylint: disable=redefined-builtin
 
 INTEGER_TYPES = (
     "int8_t",