Use Union

Author: adityamehra

util/opentelemetry-util-genai-dev/src/opentelemetry/util/genai/emitters/composite.py

@@ -37,10 +37,10 @@ class CompositeEmitter(EmitterMeta):
     def __init__(
         self,
         *,
-        span_emitters: Iterable[EmitterProtocol] | None = None,
-        metrics_emitters: Iterable[EmitterProtocol] | None = None,
-        content_event_emitters: Iterable[EmitterProtocol] | None = None,
-        evaluation_emitters: Iterable[EmitterProtocol] | None = None,
+        span_emitters: Union[Iterable[EmitterProtocol], None] = None,
+        metrics_emitters: Union[Iterable[EmitterProtocol], None] = None,
+        content_event_emitters: Union[Iterable[EmitterProtocol], None] = None,
+        evaluation_emitters: Union[Iterable[EmitterProtocol], None] = None,
     ) -> None:
         self._categories: dict[str, list[EmitterProtocol]] = {
             "span": list(span_emitters or []),
@@ -79,7 +79,7 @@ def on_evaluation_results(
     # Introspection helpers used during configuration refresh
 
     def iter_emitters(
-        self, categories: Sequence[str] | None = None
+        self, categories: Union[Sequence[str], None] = None
     ) -> Iterator[EmitterProtocol]:
         names = categories or (
             "span",
@@ -110,7 +110,7 @@ def _dispatch(
         *,
         obj: Union[Any, None] = None,
         error: Union[Error, None] = None,
-        results: Sequence[EvaluationResult] | None = None,
+        results: Union[Sequence[EvaluationResult], None] = None,
     ) -> None:
         for category in categories:
             emitters = self._categories.get(category)

util/opentelemetry-util-genai-dev/src/opentelemetry/util/genai/emitters/spec.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass, field
-from typing import Any, Callable, Mapping, Sequence
+from typing import Any, Callable, Mapping, Sequence, Union
 
 from ..interfaces import EmitterProtocol
 
@@ -30,7 +30,7 @@ class EmitterSpec:
     mode: str = "append"
     after: Sequence[str] = field(default_factory=tuple)
     before: Sequence[str] = field(default_factory=tuple)
-    invocation_types: Sequence[str] | None = None
+    invocation_types: Union[Sequence[str], None] = None
 
 
 @dataclass(frozen=True)

util/opentelemetry-util-genai-dev/src/opentelemetry/util/genai/emitters/utils.py

@@ -56,7 +56,7 @@
 
 
 def filter_semconv_gen_ai_attributes(
-    attributes: Mapping[str, Any] | None,
+    attributes: Union[Mapping[str, Any], None],
     *,
     extras: Iterable[str] = (),
 ) -> dict[str, Any]:

util/opentelemetry-util-genai-dev/src/opentelemetry/util/genai/evaluators/base.py

@@ -35,10 +35,10 @@ class Evaluator(ABC):
 
     def __init__(
         self,
-        metrics: Iterable[str] | None = None,
+        metrics: Union[Iterable[str], None] = None,
         *,
         invocation_type: Union[str, None] = None,
-        options: Mapping[str, str] | None = None,
+        options: Union[Mapping[str, str], None] = None,
     ) -> None:
         default_metrics = (
             self.default_metrics_for(invocation_type)

util/opentelemetry-util-genai-dev/src/opentelemetry/util/genai/evaluators/registry.py

@@ -45,9 +45,9 @@ class EvaluatorRegistration:
 def _call_with_optional_params(
     target: EvaluatorFactory,
     *,
-    metrics: Sequence[str] | None = None,
+    metrics: Union[Sequence[str], None] = None,
     invocation_type: Union[str, None] = None,
-    options: Mapping[str, str] | None = None,
+    options: Union[Mapping[str, str], None] = None,
 ) -> Evaluator:
     """Call a factory/constructor handling optional ``metrics`` gracefully."""
 
@@ -204,10 +204,10 @@ def _load_entry_points() -> None:
 
 def get_evaluator(
     name: str,
-    metrics: Sequence[str] | None = None,
+    metrics: Union[Sequence[str], None] = None,
     *,
     invocation_type: Union[str, None] = None,
-    options: Mapping[str, str] | None = None,
+    options: Union[Mapping[str, str], None] = None,
 ) -> Evaluator:
     _load_entry_points()
     key = name.lower()

util/opentelemetry-util-genai-dev/src/opentelemetry/util/genai/plugins.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import logging
-from typing import Iterable, Mapping, Sequence
+from typing import Iterable, Mapping, Sequence, Union
 
 from opentelemetry.util._importlib_metadata import (
     entry_points,  # pyright: ignore[reportUnknownVariableType]
@@ -13,7 +13,7 @@
 
 
 def load_emitter_specs(
-    names: Sequence[str] | None = None,
+    names: Union[Sequence[str], None] = None,
 ) -> list[EmitterSpec]:
     """Load emitter specs declared under the ``opentelemetry_util_genai_emitters`` entry point.