Fix Gradio issue for large plots

app.py

@@ -1,3 +1,6 @@
+import csv
+import sys
+
 import gradio as gr
 import matplotlib.pyplot as plt
 
@@ -11,6 +14,9 @@ from maploc.utils.viz_localization import (
     plot_dense_rotations,
 )
 
+# Avoid `_csv.Error: field larger than field limit` with large plots.
+csv.field_size_limit(sys.maxsize)
+
 
 def run(image, address, tile_size_meters, num_rotations):
     image_path = image.name