fix: remove numpy dependency

solara/components/slider.py

@@ -5,7 +5,6 @@
 
 import ipyvue
 import ipyvuetify
-import numpy as np
 import reacton.core
 import traitlets
 from typing_extensions import Literal
@@ -425,7 +424,12 @@ def _produce_tick_labels(tick_labels: Union[List[str], Literal["end_points"], bo
     elif tick_labels is False:
         _tick_labels = None
     elif tick_labels is True:
-        _tick_labels = list(map(str, np.arange(min, max, step=step)))
+        _tick_labels, start = [], min
+
+        while start < max:
+            _tick_labels.append(str(start))
+            start += step
+        _tick_labels.append(str(max))
     else:
         _tick_labels = tick_labels
 

tests/unit/slider_test.py

@@ -16,14 +16,16 @@ def get_tick_labels(clazz, min, max, step, **kwargs) -> list:
 def test_int_slider():
     reference_ticks = [3, 4, 5]
     assert get_tick_labels(solara.IntSlider, 3, 5, 1, tick_labels="end_points") == ["3", "", "5"]
+    assert get_tick_labels(solara.IntSlider, 3, 5, 1, tick_labels=True) == ["3", "4", "5"]
     assert get_tick_labels(solara.IntSlider, 3, 5, 1) is None
     assert get_tick_labels(solara.IntSlider, 3, 5, 1, tick_labels=reference_ticks) == reference_ticks
 
 
 def test_float_slider():
-    reference_ticks = [3, 3.5, 4, 4.5, 5]
+    reference_ticks = [3.0, 3.5, 4.0, 4.5, 5.0]
     middle_empty_str = [""] * (len(reference_ticks) - 2)
     assert get_tick_labels(solara.FloatSlider, 3, 5, 0.5, tick_labels="end_points") == ["3", *middle_empty_str, "5"]
+    assert list(map(float, get_tick_labels(solara.FloatSlider, 3, 5, 0.5, tick_labels=True))) == reference_ticks
     assert get_tick_labels(solara.FloatSlider, 3, 5, 0.5) is None
     assert get_tick_labels(solara.FloatSlider, 3, 5, 0.5, tick_labels=reference_ticks) == reference_ticks