add category type back

melonora · Mar 11, 2024 · cf7d3d9 · cf7d3d9
1 parent ed4cc94
commit cf7d3d9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/cell_gater/utils/csv_df.py b/src/cell_gater/utils/csv_df.py
@@ -30,6 +30,7 @@ def stack_csv_files(csv_dir: Path) -> pd.DataFrame | None:
         df_file = pd.read_csv(file)
         df_file["sample_id"] = file.stem
         df = pd.concat([df, df_file], ignore_index=True)
+    df["sample_id"] = df.sample_id.astype("category")
 
     return df