diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b537aeb4..c5b91231 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,6 +14,8 @@ jobs:
           - "3.8"
           - "3.9"
           - "3.10"
+          - "3.11"
+          - "3.12"
         include:
           - os: macos-latest
             python-version: "3.10"
@@ -31,7 +33,7 @@ jobs:
     - name: Install and update Python dependencies on Python 3
       run: |
         python -m pip install --upgrade pip setuptools wheel
-        python -m pip install --upgrade "pexpect>=3.3" 'pytest<7' rlipython 'ipykernel>=5.4.3' requests jupyter flaky 'notebook<6.1' 'prompt_toolkit<3.0.15' wheel 'jupyter_console>=6.2' 'pytest-cov<3' ipython 'coverage<6.3' pytest-json-report
+        python -m pip install --upgrade "pexpect>=3.3" 'pytest<=7' rlipython 'ipykernel>=5.4.3' requests jupyter flaky 'notebook<6.1' wheel 'jupyter_console>=6.2' pytest-cov ipython coverage pytest-json-report
         pip install -e .
     - name: test release build
       run: |
@@ -61,7 +63,7 @@ jobs:
           ./report-*.json
     - uses: codecov/codecov-action@v2
     - name: Build docs
-      if: ${{ matrix.python-version == '3.10'}}
+      if: ${{ matrix.python-version == '3.12'}}
       run: |
         pip install sphinx sphinx_rtd_theme sphinx-autodoc-typehints
         cd doc
diff --git a/lib/python/pyflyby/_autoimp.py b/lib/python/pyflyby/_autoimp.py
index 99861e23..a127f94f 100644
--- a/lib/python/pyflyby/_autoimp.py
+++ b/lib/python/pyflyby/_autoimp.py
@@ -22,7 +22,7 @@
 from   pyflyby._importstmt      import Import
 from   pyflyby._log             import logger
 from   pyflyby._modules         import ModuleHandle
-from   pyflyby._parse           import PythonBlock, infer_compile_mode
+from   pyflyby._parse           import PythonBlock, infer_compile_mode, _is_ast_str
 
 if sys.version_info >= (3, 12):
     ATTRIBUTE_NAME = "value"
@@ -34,6 +34,11 @@
 else:
     LOAD_SHIFT = 0
 
+if sys.version_info > (3, 11):
+    LOAD_SHIFT = 1
+else:
+    LOAD_SHIFT = 0
+
 NoneType = type(None)
 EllipsisType = type(Ellipsis)
 
@@ -580,7 +585,7 @@ def _visit__all__(self, node):
             if not isinstance(node.value, ast.List):
                 logger.warning("Don't know how to handle __all__ as (%s)" % node.value)
                 return
-            if not all(isinstance(e, ast.Str) for e in node.value.elts):
+            if not all(_is_ast_str(e) for e in node.value.elts):
                 logger.warning("Don't know how to handle __all__ with list elements other than str")
                 return
             for e in node.value.elts:
diff --git a/tests/test_interactive.py b/tests/test_interactive.py
index ce06a49f..8e8cd71b 100644
--- a/tests/test_interactive.py
+++ b/tests/test_interactive.py
@@ -3854,7 +3854,7 @@ def test_debug_tab_completion_db_1(frontend):
     """, frontend=frontend)
 
 
-@retry
+@pytest.mark.xfail(IPython.version_info >= (8, 14), reason='not working on tab completion since https://github.com/ipython/ipython/pull/13889')
 def test_debug_tab_completion_module_1(frontend, tmp):
     # Verify that tab completion on module names works.
     writetext(tmp.dir/"thornton60097181.py", """
@@ -3900,7 +3900,7 @@ def test_debug_tab_completion_multiple_1(frontend, tmp):
     """, PYTHONPATH=tmp.dir, frontend=frontend)
 
 
-@retry
+@pytest.mark.xfail(IPython.version_info >= (8, 14), reason='not working on tab completion since https://github.com/ipython/ipython/pull/13889')
 def test_debug_postmortem_tab_completion_1(frontend):
     # Verify that tab completion in %debug postmortem mode works.
     ipython("""
@@ -3922,7 +3922,7 @@ def test_debug_postmortem_tab_completion_1(frontend):
         ipdb> q
     """, frontend=frontend)
 
-
+@pytest.mark.xfail(IPython.version_info >= (8, 14), reason='not working on tab completion since https://github.com/ipython/ipython/pull/13889')
 def test_debug_namespace_1_py3(frontend):
     # Verify that autoimporting and tab completion happen in the local
     # namespace.
@@ -3953,7 +3953,6 @@ def test_debug_namespace_1_py3(frontend):
     """, frontend=frontend)
 
 
-@retry
 def test_debug_second_1(frontend):
     # Verify that a second postmortem debug of the same function behaves as
     # expected.