Fix doctest exceptions not being reported as pytest failures

Author: Jake-Moss

src/flint/test/__main__.py

@@ -53,7 +53,7 @@ def run_doctests(tests, verbose=False):
     runner = doctest.DocTestRunner()
     for module, test_set in tests:
         if test_set:
-            print(f"{module}...", end="", flush=True)
+            print(f"{module}...", end="" if not verbose else "\n", flush=True)
             for test in test_set:
                 if verbose:
                     print("\tTesting:", test.name)

src/flint/test/test_docstrings.py

@@ -51,6 +51,18 @@ def report_failure(self, out, test, example, got):
                 pytrace=False,
             )
 
+        def report_unexpected_exception(self, out, test, example, exc_info):
+            pytest.fail(
+                "\n".join([
+                    f"{test.name}, line: {test.lineno}",
+                    "Failed example:",
+                    f"\t{example.source.strip()}",
+                    "Exception raised:",
+                    doctest._indent(doctest._exception_traceback(exc_info))
+                ]),
+                pytrace=False,
+            )
+
     runner = PyTestDocTestRunner()
 
     @pytest.mark.parametrize(