o Fix docs and python3 kernel on RTD

Author: rajeeja

docs/conf.py

@@ -71,12 +71,6 @@ def __getattr__(cls, name):
 # jupyter_execute_notebooks = "off"
 # nb_execution_mode = "off"
 
-# Disable notebook execution on Read the Docs to avoid missing kernel errors
-on_rtd = os.environ.get("READTHEDOCS") == "True"
-if on_rtd:
-    jupyter_execute_notebooks = "off"
-    nb_execution_mode = "off"
-    nbsphinx_execute = "never"
 
 extlinks = {
     "issue": ("https://github.com/uxarray/uxarray/issues/%s", "GH"),

docs/user-guide/vector_calculus.ipynb

@@ -765,9 +765,9 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "uxarray_env3.12",
+   "display_name": "Python 3",
    "language": "python",
-   "name": "uxarray_env3.12"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {

docs/userguide.rst

@@ -67,7 +67,7 @@ These user guides provide detailed explanations of the core functionality in UXa
 `Weighted Mean <user-guide/weighted_mean.ipynb>`_
  Compute the weighted average
 
-`Vector Calculations <user-guide/vector_calculations.ipynb>`_
+`Vector Calculations <user-guide/vector_calculus.ipynb>`_
  Compute vector field operations such as gradients, curl, and divergence
 
 `Tree Structures <user-guide/tree_structures.ipynb>`_