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Fix Inspector styled table with pandas 3 (applymap removed) #23690

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Fix Inspector styled table with pandas 3 (applymap removed) #23690

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4dfeb50
Use Styler.map in display_or_print_df
u7k4rs6 Oct 11, 2026
6c65de0
Merge branch 'main' into fix-inspector-styler-map
u7k4rs6 Oct 20, 2026
7468c3e
Tighten display_or_print_df test
u7k4rs6 Nov 4, 2026
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2 changes: 1 addition & 1 deletion devtools/inspector/_inspector_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -381,7 +381,7 @@ def style_text_size(val, size=12):
return f"font-size: {size}px"

if get_ipython() is not None:
styled_df = df.style.applymap(style_text_size)
styled_df = df.style.map(style_text_size)
display(styled_df)
else:
raise Exception(
Expand Down
28 changes: 28 additions & 0 deletions devtools/inspector/tests/inspector_utils_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,13 +6,19 @@

# pyre-unsafe

import io
import math
import os
import sys
import tempfile
import types
import unittest
import warnings
from typing import Dict, Tuple
from unittest.mock import patch

import executorch.exir.tests.models as models
import pandas as pd

import torch
from executorch.devtools import generate_etrecord, parse_etrecord
Expand All @@ -35,6 +41,7 @@
compare_results,
convert_to_float_tensor,
create_debug_handle_to_op_node_mapping,
display_or_print_df,
EDGE_DIALECT_GRAPH_KEY,
find_op_names,
find_populated_event,
Expand Down Expand Up @@ -279,6 +286,27 @@ def test_plot_metric_empty_result(self):
self.assertEqual(os.listdir(tmp_dir), [])
self.assertEqual(plt.get_fignums(), [])

def test_display_or_print_df_in_ipython(self):
displayed = []
fake_display = types.ModuleType("IPython.display")
fake_display.display = displayed.append
fake_ipython = types.ModuleType("IPython")
fake_ipython.get_ipython = lambda: object()
fake_ipython.display = fake_display
out = io.StringIO()
with patch.dict(
sys.modules, {"IPython": fake_ipython, "IPython.display": fake_display}
), warnings.catch_warnings():
# Styler.applymap is deprecated in pandas 2.1 and removed in 3.0.
warnings.filterwarnings(
"error", message=".*applymap.*", category=FutureWarning
)
display_or_print_df(pd.DataFrame({"a": [1.0]}), out)
self.assertEqual(len(displayed), 1, out.getvalue())
self.assertIsInstance(displayed[0], pd.io.formats.style.Styler)
self.assertIn("font-size: 12px", displayed[0].to_html())
self.assertEqual(out.getvalue(), "")

def test_merge_overlapping_debug_handles_basic(self):
big_tensor = torch.rand(100, 100)
intermediate_outputs = {
Expand Down
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