Fix flaky "Upload test stats" job (#143991)

Test stat uploading was intermittently failing due to certain XML strings being opportunistically converted to numbers, when string output was expected. This PR makes the conversion behavior optional, which should fix the stat uploads.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/143991
Approved by: https://github.com/clee2000, https://github.com/huydhn

tools/stats/check_disabled_tests.py

@@ -42,7 +42,8 @@ def process_report(
     all_tests: dict[str, dict[str, int]] = {}
 
     for test_case in root.iter(TESTCASE_TAG):
-        parsed_test_case = process_xml_element(test_case)
+        # Parse the test case as string values only.
+        parsed_test_case = process_xml_element(test_case, output_numbers=False)
 
         # Under --rerun-disabled-tests mode, a test is skipped when:
         # * it's skipped explicitly inside PyTorch code

tools/stats/upload_test_stats.py

@@ -56,7 +56,9 @@ def parse_xml_report(
     return test_cases
 
 
-def process_xml_element(element: ET.Element) -> dict[str, Any]:
+def process_xml_element(
+    element: ET.Element, output_numbers: bool = True
+) -> dict[str, Any]:
     """Convert a test suite element into a JSON-serializable dict."""
     ret: dict[str, Any] = {}
 
@@ -69,15 +71,15 @@ def process_xml_element(element: ET.Element) -> dict[str, Any]:
 
     # The XML format encodes all values as strings. Convert to ints/floats if
     # possible to make aggregation possible in SQL.
-    for k, v in ret.items():
-        try:
-            ret[k] = int(v)
-        except ValueError:
-            pass
-        try:
-            ret[k] = float(v)
-        except ValueError:
-            pass
+    if output_numbers:
+        for k, v in ret.items():
+            try:
+                ret[k] = int(v)
+            except ValueError:
+                try:
+                    ret[k] = float(v)
+                except ValueError:
+                    pass
 
     # Convert inner and outer text into special dict elements.
     # e.g.