build: fix version issues with numpy/tensorflow and ipywidgets

FAQ.md

@@ -62,6 +62,10 @@ Be careful, it requires around 7 GB of disk space.
 
 ![Screenshot 2023-06-01 165712](https://github.com/ssciwr/AMMICO/assets/8105097/3dfb302f-c390-46a7-a700-4e044f56c30f)
 
+### Version clashes between tensorflow and numpy
+
+Due to the `faces` module, the tensorflow version is currently fixed to at most `2.14.0`. This requires that `numpy` is restricted to `numpy==1.23.5`. If you experience issues with compatibility between tensorflow and numpy, you can try fixing the numpy version to this version.
+
 ## What happens to the images that are sent to google Cloud Vision?
 
 You have to accept the privacy statement of ammico to run this type of analyis.

pyproject.toml

@@ -34,7 +34,7 @@ dependencies = [
     "importlib_metadata",
     "importlib_resources",
     "matplotlib",
-    "numpy",
+    "numpy==1.23.5",
     "opencv-python",
     "pandas",
     "Pillow",
@@ -69,6 +69,7 @@ nb = [
     "datasets",
     "huggingface-hub",
     "ipython",
+    "ipykernel<=6.30.1",
     "jupyter",
     "jupyter_dash",
 ]