Test format readability with Python libraries (#1939)

Closes #1911

Author: dcherian

.github/workflows/python-check.yaml

@@ -122,6 +122,10 @@ jobs:
               sleep 1
           done
 
+      - name: Install flatc
+        run: |
+          sudo apt-get update && sudo apt-get install -y flatbuffers-compiler
+
       - name: Run pytest (non-hypothesis)
         shell: bash
         working-directory: icechunk-python
@@ -193,6 +197,10 @@ jobs:
               sleep 1
           done
 
+      - name: Install flatc
+        run: |
+          sudo apt-get update && sudo apt-get install -y flatbuffers-compiler
+
       - name: Run pytest (non-hypothesis)
         shell: bash
         working-directory: icechunk-python

icechunk-python/pixi.lock

@@ -45,6 +45,8 @@ test = [
   "boto3-stubs[s3]",
   "termcolor",
   "rich",
+  "flatbuffers",
+  "zstandard",
 ]
 benchmark = [
   "pytest-benchmark[histogram]",