diff --git a/.github/workflows/lint_and_test.yml b/.github/workflows/lint_and_test.yml
index a24cf3c2..b96c2735 100644
--- a/.github/workflows/lint_and_test.yml
+++ b/.github/workflows/lint_and_test.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "windows-latest"]
-        version: ['3.11', '3.12']
+        version: ['3.11', '3.12', '3.13']
       fail-fast: false
     steps:
       - uses: actions/checkout@v5
diff --git a/pyproject.toml b/pyproject.toml
index c5a58d1a..376db723 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ classifiers = [
   "Intended Audience :: Developers",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
 ]
 
 dependencies = [
@@ -56,7 +57,7 @@ dependencies = [
 # - It depends on a couple of heavyweight libs (py4j and tornado) that aren't necessary otherwise
 plot = [
   # When updating, check plotting works in GUI. Must keep pinned to a specific, tested version.
-  "matplotlib==3.10.1",
+  "matplotlib==3.10.7",
   # Python <-> Java communication, to spawn matplotlib plots in GUI
   "py4j",
   # Tornado webserver used by custom backend
diff --git a/src/genie_python/genie.py b/src/genie_python/genie.py
index 13c81ef1..98d7a869 100644
--- a/src/genie_python/genie.py
+++ b/src/genie_python/genie.py
@@ -118,7 +118,7 @@ class _GetbeamlineparsReturn(TypedDict):
 print("\ngenie_python version " + VERSION)
 
 MIN_SUPPORTED_PYTHON_VERSION = (3, 11, 0)
-MAX_SUPPORTED_PYTHON_VERSION = (3, 12, 999)
+MAX_SUPPORTED_PYTHON_VERSION = (3, 13, 999)
 
 if not (MIN_SUPPORTED_PYTHON_VERSION <= sys.version_info[0:3] <= MAX_SUPPORTED_PYTHON_VERSION):
     message = (
@@ -1562,16 +1562,26 @@ def __load_module(name: str, directory: str) -> types.ModuleType:
         raise ValueError(f"Cannot find spec for module {name} in {directory}")
     module = importlib.util.module_from_spec(spec)
 
-    if module.__file__ is None:
-        raise ValueError(f"Module {name} has no __file__ attribute")
+    err_msg = (
+        f"Cannot load script '{name}' as its name clashes with a standard python module "
+        f"or with a module accessible elsewhere on the python path.\n"
+        f"The conflicting module was '{module}'.\n"
+        f"If this is a user script, rename the user script to avoid the clash."
+    )
+
+    try:
+        module_file = module.__file__
+    except AttributeError:
+        raise ValueError(err_msg) from None
+
+    if module_file is None:
+        raise ValueError(err_msg)
+
+    module_location = str(module_file)
+
+    if os.path.normpath(os.path.dirname(module_location)) != os.path.normpath(directory):
+        raise ValueError(err_msg)
 
-    if os.path.normpath(os.path.dirname(module.__file__)) != os.path.normpath(directory):
-        raise ValueError(
-            f"Cannot load script '{name}' as its name clashes with a standard python module "
-            f"or with a module accessible elsewhere on the python path.\n"
-            f"The conflicting module was at '{module.__file__}'.\n"
-            f"If this is a user script, rename the user script to avoid the clash."
-        )
     sys.modules[name] = module
     loader = spec.loader
     if loader is None:
diff --git a/src/genie_python/genie_api_setup.py b/src/genie_python/genie_api_setup.py
index 3dcfb97c..9ec57ba5 100644
--- a/src/genie_python/genie_api_setup.py
+++ b/src/genie_python/genie_api_setup.py
@@ -284,8 +284,8 @@ def __init__(self, original_function: Callable) -> None:
     def just_path_on_load(self, text: str, act_tok: Any) -> list[str]:
         """
         Returns completions for load on a path if load_script in path otherwise returns as before.
-        Will replace .metadata\.plugins\org.eclipse.pde.core\.bundle_pool\plugins\
-        org.python.pydev_5.9.2.201708151115\pysrc\_pydev_bundle\pydev_ipython_console_011.py
+        Will replace .metadata\\.plugins\\org.eclipse.pde.core\\.bundle_pool\\plugins\\
+        org.python.pydev_5.9.2.201708151115\\pysrc\\_pydev_bundle\\pydev_ipython_console_011.py
 
         This functions will filter out the pydev completions if the line contains load_script. 
         It know which are the pydev ones because they are marked with the type '11'.
diff --git a/src/genie_python/scanning_instrument_pylint_plugin.py b/src/genie_python/scanning_instrument_pylint_plugin.py
index 0e8d9a81..85300b37 100644
--- a/src/genie_python/scanning_instrument_pylint_plugin.py
+++ b/src/genie_python/scanning_instrument_pylint_plugin.py
@@ -1,7 +1,7 @@
 from typing import TYPE_CHECKING, Any
 
-import astroid
 from astroid import MANAGER
+from astroid.nodes import Arguments, ClassDef, FunctionDef, Module
 
 if TYPE_CHECKING:
     from pylint.lint import PyLinter
@@ -11,7 +11,7 @@ def register(linter: "PyLinter") -> None:
     """Register the plugin."""
 
 
-def transform(node: astroid.ClassDef, *args: Any, **kwargs: Any) -> None:
+def transform(node: ClassDef, *args: Any, **kwargs: Any) -> None:
     """Add ScanningInstrument methods to the declaring module.
 
     If the given class is derived from ScanningInstrument,
@@ -22,8 +22,8 @@ def transform(node: astroid.ClassDef, *args: Any, **kwargs: Any) -> None:
     if node.basenames and "ScanningInstrument" in node.basenames:
         public_methods = filter(lambda method: not method.name.startswith("__"), node.methods())
         for public_method in public_methods:
-            if isinstance(node.parent, astroid.Module):
-                new_func = astroid.FunctionDef(
+            if isinstance(node.parent, Module):
+                new_func = FunctionDef(
                     name=public_method.name,
                     lineno=0,
                     col_offset=0,
@@ -31,7 +31,7 @@ def transform(node: astroid.ClassDef, *args: Any, **kwargs: Any) -> None:
                     end_lineno=0,
                     end_col_offset=0,
                 )
-                arguments = astroid.Arguments(
+                arguments = Arguments(
                     vararg=None,
                     kwarg=None,
                     parent=new_func,
@@ -50,4 +50,4 @@ def transform(node: astroid.ClassDef, *args: Any, **kwargs: Any) -> None:
                 node.parent.locals[public_method.name] = [new_func]
 
 
-MANAGER.register_transform(astroid.ClassDef, transform)
+MANAGER.register_transform(ClassDef, transform)
diff --git a/tests/test_genie.py b/tests/test_genie.py
index 54b58b80..dba955fc 100644
--- a/tests/test_genie.py
+++ b/tests/test_genie.py
@@ -34,9 +34,9 @@
 )
 
 invalid_module_msg = (
-    f"Cannot load script test as its name clashes with a standard python module "
+    f"Cannot load script 'test' as its name clashes with a standard python module "
     f"or with a module accessible elsewhere on the python path.\nThe conflicting "
-    f"module was at '{test.__file__}'.\nIf this is a user script, rename the "
+    f"module was '{test}'.\nIf this is a user script, rename the "
     f"user script to avoid the clash."
 )
 
@@ -60,9 +60,11 @@ def test_GIVEN_script_uses_module_name_WHEN_load_script_THEN_error(self):
         script = os.path.join(os.path.abspath(os.path.dirname(__file__)), "test_scripts", "test.py")
 
         # Act
-        with self.assertRaises(ValueError, msg=invalid_module_msg):
+        with self.assertRaises(ValueError) as ex:
             genie.load_script(script)
 
+        self.assertEqual(str(ex.exception), invalid_module_msg)
+
     def test_GIVEN_valid_script_WHEN_load_script_THEN_can_call_script(self):
         # Arrange
         script = os.path.join(
diff --git a/tests/test_script_checker.py b/tests/test_script_checker.py
index def1db33..85b7f755 100644
--- a/tests/test_script_checker.py
+++ b/tests/test_script_checker.py
@@ -24,7 +24,7 @@
 import tempfile
 import unittest
 
-import astroid
+from astroid.nodes import Module
 
 from genie_python.genie_epics_api import API
 from genie_python.genie_script_checker import ScriptChecker
@@ -405,17 +405,17 @@ def test_GIVEN_builtin_module_THEN_it_can_safely_be_cached(self):
     def test_GIVEN_site_packages_module_THEN_it_can_safely_be_cached(self):
         import numpy
 
-        mod = astroid.Module(numpy.__name__, numpy.__file__)
+        mod = Module(numpy.__name__, numpy.__file__)
         self.assertTrue(self.checker._can_cache_module("numpy", mod))
 
     def test_GIVEN_user_script_THEN_it_should_not_be_cached(self):
         name = "my_user_script"
-        mod = astroid.Module(name, os.path.join("C:\\", "scripts", "my_user_script.py"))
+        mod = Module(name, os.path.join("C:\\", "scripts", "my_user_script.py"))
         self.assertFalse(self.checker._can_cache_module(name, mod))
 
     def test_GIVEN_instrument_script_THEN_it_should_not_be_cached(self):
         name = "my_inst_script"
-        mod = astroid.Module(
+        mod = Module(
             name,
             os.path.join(
                 "C:\\",