Fixes in tests, improve message regarding slow repr to note environment variable to customize it.

src/debugpy/_vendored/pydevd/_pydevd_bundle/pydevd_utils.py

@@ -471,11 +471,17 @@ class Timer(object):
         except:
             pass
         if attrs_tab_separated:
-            return 'pydevd warning: Computing repr of %s.%s (%s) was slow (took %.2fs)\n' % (
+            return (
-                attrs_tab_separated.replace('\t', '.'), attr_name, attr_type, diff)
+                'pydevd warning: Computing repr of %s.%s (%s) was slow (took %.2fs).\n'
+                'Customize report timeout by setting the `PYDEVD_WARN_SLOW_RESOLVE_TIMEOUT` environment variable to a higher timeout (default is: %ss)\n'
+                ) % (
+                attrs_tab_separated.replace('\t', '.'), attr_name, attr_type, diff, PYDEVD_WARN_SLOW_RESOLVE_TIMEOUT)
         else:
-            return 'pydevd warning: Computing repr of %s (%s) was slow (took %.2fs)\n' % (
+            return (
-                attr_name, attr_type, diff)
+                'pydevd warning: Computing repr of %s (%s) was slow (took %.2fs)\n'
+                'Customize report timeout by setting the `PYDEVD_WARN_SLOW_RESOLVE_TIMEOUT` environment variable to a higher timeout (default is: %ss)\n'
+                ) % (
+                attr_name, attr_type, diff, PYDEVD_WARN_SLOW_RESOLVE_TIMEOUT)
 
     def report_if_getting_attr_slow(self, cls, attr_name):
         self._report_slow(self._compute_get_attr_slow, cls, attr_name)
@@ -485,7 +491,10 @@ class Timer(object):
             cls = cls.__name__
         except:
             pass
-        return 'pydevd warning: Getting attribute %s.%s was slow (took %.2fs)\n' % (cls, attr_name, diff)
+        return (
+            'pydevd warning: Getting attribute %s.%s was slow (took %.2fs)\n'
+            'Customize report timeout by setting the `PYDEVD_WARN_SLOW_RESOLVE_TIMEOUT` environment variable to a higher timeout (default is: %ss)\n'
+            ) % (cls, attr_name, diff, PYDEVD_WARN_SLOW_RESOLVE_TIMEOUT)
 
 
 def import_attr_from_module(import_with_attr_access):

src/debugpy/_vendored/pydevd/tests_python/test_debugger.py

@@ -952,11 +952,24 @@ def test_case_django_a(case_setup_django):
         return env
 
     with case_setup_django.test_file(EXPECTED_RETURNCODE='any', get_environ=get_environ) as writer:
-        writer.write_add_breakpoint_django(5, None, 'index.html')
         writer.write_make_initial_run()
 
+        # Wait for the first request that works...
+        for i in range(4):
+            try:
+                t = writer.create_request_thread('my_app')
+                t.start()
+                contents = t.wait_for_contents()
+                contents = contents.replace(' ', '').replace('\r', '').replace('\n', '')
+                assert contents == '<ul><li>v1:v1</li><li>v2:v2</li></ul>'
+                break
+            except:
+                if i == 3:
+                    raise
+                continue
+
+        writer.write_add_breakpoint_django(5, None, 'index.html')
         t = writer.create_request_thread('my_app')
-        time.sleep(5)  # Give django some time to get to startup before requesting the page
         t.start()
 
         hit = writer.wait_for_breakpoint_hit(REASON_STOP_ON_BREAKPOINT, line=5)

src/debugpy/_vendored/pydevd/tests_python/test_debugger_json.py

@@ -5425,7 +5425,7 @@ def test_debug_options(case_setup, val):
             except ImportError:
                 pass
             else:
-                gui_event_loop = 'qt5'
+                gui_event_loop = 'pyside2'
         args = dict(
             justMyCode=val,
             redirectOutput=True,  # Always redirect the output regardless of other values.