fix scanpy conflict + update sketchKH

Author: jranek

venv_delve.yml

@@ -6,12 +6,15 @@ channels:
 dependencies:
     - anndata>=0.7.6
     - umap-learn=0.5.1
-    - pandas>=1.1.5
-    - numpy>=1.19.5
+    - numpy=1.26.4
     - scipy>=1.7.1
     - scikit-learn>=0.23.2
-    - python>=3.8
+    - matplotlib-base=3.7.1
+    - python=3.9
     - tqdm
     - pip
     - pip:
-        - sketchKH==0.1.1
+        - scanpy==1.8.1
+        - sketchKH==0.1.2
+        - pandas==1.5.2
+        - matplotlib==3.6.0