docs: fix broken links (#3802)

Co-authored-by: dangotbanned <[email protected]>

Author: jannisko

altair/expr/__init__.py

@@ -91,9 +91,9 @@ class expr(_ExprRef, metaclass=_ExprMeta):
     ``ExprRef``
 
     .. _Expressions:
-        https://altair-viz.github.io/user_guide/interactions.html#expressions
+        https://altair-viz.github.io/user_guide/interactions/expressions.html
     .. _inline expression:
-       https://altair-viz.github.io/user_guide/interactions.html#inline-expressions
+       https://altair-viz.github.io/user_guide/interactions/expressions.html#inline-expressions
     .. _vega expression:
        https://vega.github.io/vega/docs/expressions/
 

altair/vegalite/v5/api.py

@@ -1338,7 +1338,7 @@ def param(
     **kwds: Any,
 ) -> Parameter:
     """
-    Create a named parameter, see https://altair-viz.github.io/user_guide/interactions.html for examples.
+    Create a named parameter, see https://altair-viz.github.io/user_guide/interactions/parameters.html for examples.
 
     Although both variable parameters and selection parameters can be created using
     this 'param' function, to create a selection parameter, it is recommended to use

tests/vegalite/v5/test_api.py

@@ -588,11 +588,7 @@ def test_when_labels_position_based_on_condition() -> None:
 
 
 def test_when_expressions_inside_parameters() -> None:
-    """
-    Test for [2144026368-2](https://github.com/vega/altair/pull/3427#issuecomment-2144026368).
-
-    Original [expressions-inside-parameters](https://altair-viz.github.io/user_guide/interactions.html#expressions-inside-parameters)
-    """
+    """Test for [2144026368-2](https://github.com/vega/altair/pull/3427#issuecomment-2144026368)."""
     import polars as pl
 
     source = pl.DataFrame({"a": ["A", "B", "C"], "b": [28, -5, 10]})

tools/vega_expr.py

@@ -189,9 +189,9 @@ def PI(cls) -> {return_ann}:
     ``ExprRef``
 
     .. _Expressions:
-        https://altair-viz.github.io/user_guide/interactions.html#expressions
+        https://altair-viz.github.io/user_guide/interactions/expressions.html
     .. _inline expression:
-       https://altair-viz.github.io/user_guide/interactions.html#inline-expressions
+       https://altair-viz.github.io/user_guide/interactions/expressions.html#inline-expressions
     .. _vega expression:
        https://vega.github.io/vega/docs/expressions/