fix: initialize a_tex to prevent UnboundLocalError in PolarPlane (#4557)

RinZ27 · web-flow · commit 2f38426cebaf · 2026-02-02T01:09:50.000-03:00
diff --git a/manim/mobject/graphing/coordinate_systems.py b/manim/mobject/graphing/coordinate_systems.py
@@ -3245,6 +3245,7 @@ def get_coordinate_labels(
             }
             for i in a_values
         ]
+        a_tex = []
         if self.azimuth_units == "PI radians" or self.azimuth_units == "TAU radians":
             a_tex = [
                 self.get_radian_label(

Original file line number	Diff line number	Diff line change
`@@ -3245,6 +3245,7 @@ def get_coordinate_labels(`
`3245`	`3245`	`}`
`3246`	`3246`	`for i in a_values`
`3247`	`3247`	`]`
	`3248`	`+ a_tex = []`
`3248`	`3249`	`if self.azimuth_units == "PI radians" or self.azimuth_units == "TAU radians":`
`3249`	`3250`	`a_tex = [`
`3250`	`3251`	`self.get_radian_label(`