Making some changes to modernize this code.

.python-version

@@ -0,0 +1 @@
+3.11

requirements.txt

@@ -0,0 +1,40 @@
+asttokens==3.0.0
+attrs==21.4.0
+certifi==2025.10.5
+charset-normalizer==3.4.4
+cython==3.2.0
+decorator==5.2.1
+ear==2.1.0
+executing==2.2.1
+fake-bpy-module-4-3==20250130
+idna==3.11
+ipython==9.7.0
+ipython-pygments-lexers==1.1.1
+jedi==0.19.2
+lxml==4.9.4
+mathutils==3.3.0
+matplotlib-inline==0.2.1
+multipledispatch==0.6.0
+mypy==1.18.2
+mypy-extensions==1.1.0
+numpy==1.26.4
+parso==0.8.5
+pathspec==0.12.1
+pexpect==4.9.0
+pip==25.0.1
+prompt-toolkit==3.0.52
+ptyprocess==0.7.0
+pure-eval==0.2.3
+pygments==2.19.2
+requests==2.32.5
+ruamel-yaml==0.18.16
+ruamel-yaml-clib==0.2.14
+scipy==1.16.3
+setuptools==78.1.0
+six==1.17.0
+stack-data==0.6.3
+traitlets==5.14.3
+typing-extensions==4.15.0
+urllib3==2.5.0
+wcwidth==0.2.14
+zstandard==0.25.0