Update app.py

app.py

@@ -204,19 +204,21 @@ def clear_all(history, uploaded_file_paths, chats):
     # Erzeuge einen Bytestream
     memoryFile = io.BytesIO()
     # Erstelle eine Canvas-Instanz im Bytestream
-    c = canvas.Canvas(memoryFile, pagesize=letter)  #oder A4
+    c = canvas.Canvas(memoryFile, pagesize=A4)  #oder letter
     # Zeitstempel
     c.setFillColorRGB(0, 0, 0)
     c.setFont("Times-Bold", 14) 
     c.drawCentredString(TIMESTAMP_X + COLUMN_WIDTH / 2, MARGIN, "Datum hier..." ) #chat_history["timestamp"])
     # User und Assistant
+    i=1
     for key, value in dic_history.items():
         c.setFont("Courier", 12) 
-        c.drawString(USER_X, MARGIN + LINE_SPACING, "Nutzer: " + key)
-        c.setFont("Courier", 12) 
-        c.drawString(USER_X + COLUMN_WIDTH, MARGIN + LINE_SPACING, "Assistent: " + value)
+        c.drawString(USER_X, MARGIN + i*LINE_SPACING, "Nutzer: " + key)
+        c.setFont("Helvetica", 12) 
+        c.drawString(USER_X + COLUMN_WIDTH, MARGIN + (i+1)*LINE_SPACING, "Assistent: " + value)
         # Linie trennen
-        c.line(TIMESTAMP_X, MARGIN + LINE_SPACING + ROW_HEIGHT, ASSISTANT_X + COLUMN_WIDTH, MARGIN + LINE_SPACING + ROW_HEIGHT)
+        #c.line(TIMESTAMP_X, MARGIN + LINE_SPACING + ROW_HEIGHT, ASSISTANT_X + COLUMN_WIDTH, MARGIN + LINE_SPACING + ROW_HEIGHT)
+        i=i+2
 
     # Setze die Schriftart und -grösse
     #c.setFont("Helvetica", 12)