Pin numpy version to < 2.0.0

numpy 2.0.0 API causes the assert tests to fail. To temporary fix this
we pin numpy to < 2.0.0. We will solve this in a dedicated PR. See issue
#48

Author: agoscinski

pyproject.toml

@@ -29,7 +29,7 @@ classifiers = [
 ]
 dependencies = [
   "ipywidgets>=8.0.0",
-  "numpy",
+  "numpy<2.0.0",
   "widget_code_input",
   "matplotlib",
   "termcolor"

tox.ini

@@ -35,7 +35,7 @@ deps =
     imageio
     # we fix matplotlib for consistent image tests
     matplotlib==3.7.2
-    numpy
+    numpy<2.0.0
     scikit-image
     ipympl
 commands =
@@ -67,7 +67,7 @@ deps =
     imageio
     # we fix matplotlib for consistent image tests
     matplotlib==3.7.2
-    numpy
+    numpy<2.0.0
     scikit-image
     ipympl
 commands =