Rename types.py to classes.py to avoid nuitka error

Context: https://stackoverflow.com/questions/43453414/cannot-import-name-mappingproxytype-error-after-importing-functools#comment82066966_46915574

pyproject.toml

@@ -31,7 +31,7 @@ console_output_style = "count"
 [tool.flake8]
 exclude = "venv/"
 per-file-ignores = """
-    ./src/tja2fumen/types.py: E221
+    ./src/tja2fumen/classes.py: E221
     ./testing/test_conversion.py: E221, E272
 """
 

src/tja2fumen/__init__.py

@@ -11,7 +11,7 @@ from tja2fumen.parsers import parse_tja
 from tja2fumen.converters import convert_tja_to_fumen
 from tja2fumen.writers import write_fumen
 from tja2fumen.constants import COURSE_IDS
-from tja2fumen.types import TJACourse
+from tja2fumen.classes import TJACourse
 
 
 def main(argv: Sequence[str] = ()) -> None:

src/tja2fumen/converters.py

@@ -4,8 +4,9 @@ Functions for converting TJA song data to Fumen song data.
 
 import re
 
-from tja2fumen.types import (TJACourse, TJAMeasureProcessed,
+from tja2fumen.classes import (TJACourse, TJAMeasureProcessed,
-                             FumenCourse, FumenHeader, FumenMeasure, FumenNote)
+                               FumenCourse, FumenHeader, FumenMeasure,
+                               FumenNote)
 
 
 def process_tja_commands(tja: TJACourse) \

src/tja2fumen/parsers.py

@@ -8,9 +8,9 @@ import struct
 from copy import deepcopy
 from typing import BinaryIO, Any
 
-from tja2fumen.types import (TJASong, TJACourse, TJAMeasure, TJAData,
+from tja2fumen.classes import (TJASong, TJACourse, TJAMeasure, TJAData,
-                             FumenCourse, FumenMeasure, FumenBranch, FumenNote,
+                               FumenCourse, FumenMeasure, FumenBranch,
-                             FumenHeader)
+                               FumenNote, FumenHeader)
 from tja2fumen.constants import (NORMALIZE_COURSE, COURSE_NAMES, BRANCH_NAMES,
                                  TJA_COURSE_NAMES, TJA_NOTE_TYPES,
                                  FUMEN_NOTE_TYPES)

src/tja2fumen/writers.py

@@ -5,7 +5,7 @@ Functions for writing song data to fumen files (.bin)
 import struct
 from typing import BinaryIO, Any
 
-from tja2fumen.types import FumenCourse
+from tja2fumen.classes import FumenCourse
 from tja2fumen.constants import BRANCH_NAMES, FUMEN_TYPE_NOTES