Remove linecache.updatecache monkeypatch.

That no longer needed after changes to `renpy.python.create_store`.

renpy/lexer.py

@@ -20,17 +20,11 @@
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 
-from __future__ import division, absolute_import, with_statement, print_function, unicode_literals  # type: ignore
-from renpy.compat import PY2, basestring, bchr, bord, chr, open, pystr, range, round, str, tobytes, unicode  # *
-
 from typing import Any
 
-import codecs
 import re
 import sys
 import os
-import time
-import linecache
 import contextlib
 
 import renpy
@@ -38,58 +32,6 @@ import renpy
 from renpy.lexersupport import match_logical_word
 
 
-_python_updatecache = linecache.updatecache
-
-
-def _updatecache(filename: str, module_globals: dict[str, Any] | None = None) -> list[str]:
-    """
-    Monkeypatch internal linecache.updatecache to work around RenPy python code
-    being in different files even in the same namespace. Assume filename is one
-    of '_ren.py', '.rpy' or '.rpym'.
-
-    This is needed because a lot of Python modules (namely traceback) assume
-    that the compiled python code is always comes from the python file and uses
-    linecache to get the source code, which tries to use PEP302 loader, which
-    for RenPy python code points to renpy.minstore.
-    """
-
-    if filename.endswith(("_ren.py", ".rpy", ".rpym")):
-        # Assume filename also relative to basedir or renpy_base.
-        full_fn = renpy.lexer.unelide_filename(filename)
-        # If we can't find absolute path that way, assume we are
-        # in build, so we can't show source.
-        if not (os.path.isabs(full_fn) and os.path.exists(full_fn)):
-            linecache.cache.pop(filename, None)
-            return []
-
-        try:
-            with open(full_fn, "rb") as f:
-                data = f.read().decode("utf-8", "python_strict")
-
-            if full_fn.endswith("_ren.py"):
-                data = ren_py_to_rpy(data, None)
-
-            data += "\n\n"
-
-            lines = data.split("\n")
-            if lines and lines[0].startswith("\ufeff"):
-                lines[0] = lines[0][1:]
-
-            lines = [line.removesuffix("\r") + "\n" for line in lines]
-
-            stat = os.stat(full_fn)
-            linecache.cache[filename] = stat.st_size, stat.st_mtime, lines, full_fn
-            return lines
-
-        except Exception:
-            return []
-
-    return _python_updatecache(filename, module_globals)
-
-
-linecache.updatecache = _updatecache
-
-
 class ParseError(SyntaxError):
     """
     Special exception type for syntax errors in Ren'Py.