Update app.py

app.py

@@ -708,7 +708,7 @@ elif modus == "Upload csv-Datei":
                         try:
                             if pd.isnull(x):
                                 return ""
-                            return "{:,.2f}".format(float(x)).replace(",", "X").replace(".", ",").replace("X", ".")
+                            return "{:.2f}".format(float(x)).replace(".", ",")
                         except Exception:
                             return str(x)