pin to mistal 0.4.2 for now

pyproject.toml

@@ -114,7 +114,7 @@ dev = [
     "ipywidgets",
     "langchain",
     "langchainhub",
-    "mistralai",
+    "mistralai==0.4.2",
     "mypy",
     "nbformat",
     "openai",

src/inspect_ai/_util/error.py

@@ -24,6 +24,14 @@ def module_version_error(
     )
 
 
+def module_max_version_error(feature: str, package: str, max_version: str) -> Exception:
+    return PrerequisiteError(
+        f"[bold]ERROR[/bold]: {feature} supports only version {max_version} and earlier of package {package} "
+        f"(you have version {version(package)} installed).\n\n"
+        f"Install the older version with with:\n\n[bold]pip install {package}=={max_version}[/bold]\n"
+    )
+
+
 def exception_message(ex: BaseException) -> str:
     return getattr(ex, "message", repr(ex))
 

src/inspect_ai/_util/version.py

@@ -2,14 +2,19 @@
 
 import semver
 
-from .error import module_version_error
+from .error import module_max_version_error, module_version_error
 
 
 def verify_required_version(feature: str, package: str, version: str) -> None:
     if not has_required_version(package, version):
         raise module_version_error(feature, package, version)
 
 
+def verify_max_version(feature: str, package: str, max_version: str) -> None:
+    if semver.Version.parse(version(package)).compare(max_version) > 0:
+        raise module_max_version_error(feature, package, max_version)
+
+
 def has_required_version(package: str, required_version: str) -> bool:
     if semver.Version.parse(version(package)).compare(required_version) >= 0:
         return True

src/inspect_ai/model/_providers/providers.py

@@ -1,5 +1,5 @@
 from inspect_ai._util.error import pip_dependency_error
-from inspect_ai._util.version import verify_required_version
+from inspect_ai._util.version import verify_max_version, verify_required_version
 
 from .._model import ModelAPI
 from .._registry import modelapi
@@ -138,7 +138,7 @@ def cf() -> type[ModelAPI]:
 def mistral() -> type[ModelAPI]:
     FEATURE = "Mistral API"
     PACKAGE = "mistralai"
-    MIN_VERSION = "0.1.3"
+    MAX_VERSION = "0.4.2"
 
     # verify we have the package
     try:
@@ -147,7 +147,7 @@ def mistral() -> type[ModelAPI]:
         raise pip_dependency_error(FEATURE, [PACKAGE])
 
     # verify version
-    verify_required_version(FEATURE, PACKAGE, MIN_VERSION)
+    verify_max_version(FEATURE, PACKAGE, MAX_VERSION)
 
     # in the clear
     from .mistral import MistralAPI