fix indexing into pandas matrix

app.py

@@ -32,7 +32,7 @@ estimated_expression = datasets.load_dataset(
     data_files = {"estimated_expression": "estimated_expression.tsv"})
 estimated_expression = estimated_expression["estimated_expression"].to_pandas()
 
-col1, col2, col3 = st.columns(spec = [0.3, 0.2, 0.5])
+col1, col2, col3 = st.columns(spec = [0.2, 0.2, 0.6])
 with col1:
     gene_id_1 = st.text_input(
         label = "Gene ID 1",
@@ -48,8 +48,8 @@ with col2:
         help = "CNAG Gene ID e.g. CNAG_04222")
 
 chart_data = pd.DataFrame({
-    "expression_1": np.log10(estimated_expression[estimated_expression.index == gene_id_1,] + 1),
-    "expression_2": np.log10(estimated_expression[estimated_expression.index == gene_id_2,] + 1),
+    "expression_1": np.log10(estimated_expression.loc[estimated_expression.index == gene_id_1].to_numpy()[0] + 1),
+    "expression_2": np.log10(estimated_expression.loc[estimated_expression.index == gene_id_2].to_numpy()[0] + 1),
     "run_accession": estimated_expression.columns,
     "run_accession_meta": estimated_expression_meta["run_accession"],
     "study_accession": estimated_expression_meta["study_accession"]})