Remove NA entries from Bezirk table and show delta

wsgi.py

@@ -260,8 +260,9 @@ def convert_fig_to_svg(fig: plt.Figure) -> str:
 @app.route("/")
 @cache.cached(query_string=True)
 def tables():
-    def _print_as_html(df: pd.DataFrame):
+    def _print_as_html(df: pd.DataFrame, total: int | None = None) -> None:
         df = df.astype({"Digitale Befragung": "Int32"})
+        df = df.dropna()
         with pd.option_context("display.max_rows", None):
             table = df.to_html(
                 index_names=False,
@@ -281,9 +282,23 @@ def tables():
                 [
                     f"      <td>{df['Digitale Befragung'].sum()}</td>",
                     "    </tr>",
-                    "  </tfoot>",
                 ]
             )
+            if total:
+                tfoot.extend([
+                    "    <tr>",
+                    "      <td>Weitere Bezirke</td>",
+                ])
+                for i in range(len(df.columns) - 2):
+                    tfoot.append("      <td></td>")
+                tfoot.extend(
+                    [
+                        f"      <td>{total - df['Digitale Befragung'].sum()}</td>",
+                        "    </tr>",
+                    ]
+                )
+            tfoot.append("  </tfoot>")
+
             tfoot = "\n".join(tfoot)
             idx = table.index("</table>")
             output_str.append(table[: idx - 1])
@@ -304,7 +319,7 @@ def tables():
     plt.close()
 
     _print_as_html(df_state)
-    _print_as_html(df)
+    _print_as_html(df, total=df_state['Digitale Befragung'].sum())
 
     return render_template(
         "base.html",