fix: Fix typo in several files

Merge #3365 **Please ensure you have read the [contribution guide](https://github.com/google/adk-python/blob/main/CONTRIBUTING.md) before creating a pull request.** fix typo for several files. ### Checklist - [x] I have read the [CONTRIBUTING.md](https://github.com/google/adk-python/blob/main/CONTRIBUTING.md) document. - [x] I have performed a self-review of my own code. - [ ] I have commented my code, particularly in hard-to-understand areas. - [ ] I have added tests that prove my fix is effective or that my feature works. - [x] New and existing unit tests pass locally with my changes. - [x] I have manually tested my changes end-to-end. - [x] Any dependent changes have been merged and published in downstream modules. ### Additional context _Add any other context or screenshots about the feature request here._ Co-authored-by: Liang Wu <wuliang@google.com> COPYBARA_INTEGRATE_REVIEW=#3365 from UlookEE:fix_typo 1469de4 PiperOrigin-RevId: 827724001

Author: 2 people

src/google/adk/agents/parallel_agent.py

@@ -160,7 +160,7 @@ async def process_an_agent(events_for_one_agent):
 
 
 class ParallelAgent(BaseAgent):
- """A shell agent that run its sub-agents in parallel in isolated manner.
+ """A shell agent that runs its sub-agents in parallel in an isolated manner.
 
  This approach is beneficial for scenarios requiring multiple perspectives or
  attempts on a single task, such as:

src/google/adk/evaluation/base_eval_service.py

@@ -31,7 +31,7 @@
 
 
 class EvaluateConfig(BaseModel):
- """Contains configurations need to run an evaluations."""
+ """Contains configurations needed to run evaluations."""
 
  model_config = ConfigDict(
  alias_generator=alias_generators.to_camel,

src/google/adk/evaluation/eval_sets_manager.py

@@ -23,7 +23,7 @@
 
 
 class EvalSetsManager(ABC):
- """An interface to manage an Eval Sets."""
+ """An interface to manage Eval Sets."""
 
  @abstractmethod
  def get_eval_set(self, app_name: str, eval_set_id: str) -> Optional[EvalSet]:

src/google/adk/flows/llm_flows/functions.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-"""Handles function callings for LLM flow."""
+"""Handles function calling for LLM flow."""
 
 from __future__ import annotations
 

src/google/adk/sessions/state.py

@@ -12,11 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import annotations
+
 from typing import Any
 
 
 class State:
- """A state dict that maintain the current value and the pending-commit delta."""
+ """A state dict that maintains the current value and the pending-commit delta."""
 
  APP_PREFIX = "app:"
  USER_PREFIX = "user:"

src/google/adk/telemetry/tracing.py

@@ -86,7 +86,7 @@ def _safe_json_serialize(obj) -> str:
 def trace_agent_invocation(
  span: trace.Span, agent: BaseAgent, ctx: InvocationContext
 ) -> None:
- """Sets span attributes immedietely available on agent invocation according to OTEL semconv version 1.37.
+ """Sets span attributes immediately available on agent invocation according to OTEL semconv version 1.37.
 
  Args:
  span: Span on which attributes are set.

tests/unittests/runners/test_pause_invocation.py

@@ -469,7 +469,7 @@ def test_pause_on_long_running_function_call(
 
 
 class TestPauseInvocationWithWithTransferLoop(BasePauseInvocationTest):
- """Tests the pausing the invocation when the agent transfer forms a loop."""
+ """Tests pausing the invocation when the agent transfer forms a loop."""
 
  @pytest.fixture
  def agent(self) -> LlmAgent: