diff --git a/.github/workflows/rw-python-tests.yaml b/.github/workflows/rw-python-tests.yaml
index 7ed62e817..3bbe39190 100644
--- a/.github/workflows/rw-python-tests.yaml
+++ b/.github/workflows/rw-python-tests.yaml
@@ -44,6 +44,9 @@ jobs:
       - name: pep8 and formatting check
         run: |
           make format
+      - name: lint check
+        run: |
+          make lint
   docs-scripts-tests:
     runs-on: ubuntu-latest
     if: ${{inputs.changed-python-modules == 'true'}}
diff --git a/packages/gooddata-eval/src/gooddata_eval/core/chat/sse_client.py b/packages/gooddata-eval/src/gooddata_eval/core/chat/sse_client.py
index cb18d3804..7d52dad3f 100644
--- a/packages/gooddata-eval/src/gooddata_eval/core/chat/sse_client.py
+++ b/packages/gooddata-eval/src/gooddata_eval/core/chat/sse_client.py
@@ -89,13 +89,11 @@ def _is_retryable_exc(exc: Exception) -> bool:
         return True
     if isinstance(exc, httpx.HTTPStatusError):
         return exc.response.status_code in _RETRYABLE_STATUS_CODES
-    if isinstance(exc, httpx.RemoteProtocolError):
-        # Mid-stream disconnect ("peer closed connection without sending complete
-        # message body") -- pure network flake, not a real agent/content failure.
-        # Confirmed live: contaminated ~1-4% of visualization runs with a hard
-        # fail and zero retry attempts.
-        return True
-    return False
+    # Mid-stream disconnect ("peer closed connection without sending complete
+    # message body") -- pure network flake, not a real agent/content failure.
+    # Confirmed live: contaminated ~1-4% of visualization runs with a hard
+    # fail and zero retry attempts.
+    return isinstance(exc, httpx.RemoteProtocolError)
 
 
 def _retry_transient(operation: Callable[[], T], *, is_retryable: Callable[[Exception], bool]) -> T:
diff --git a/packages/gooddata-eval/tests/test_agentic_runner.py b/packages/gooddata-eval/tests/test_agentic_runner.py
index b71ce135c..3d9959eba 100644
--- a/packages/gooddata-eval/tests/test_agentic_runner.py
+++ b/packages/gooddata-eval/tests/test_agentic_runner.py
@@ -3,7 +3,7 @@
 from unittest.mock import patch
 
 import pytest
-from gooddata_eval.cli.agentic_runner import _dispatch_agentic, run_agentic_items
+from gooddata_eval.cli.agentic_runner import AGENTIC_TEST_KINDS, _dispatch_agentic, run_agentic_items
 from gooddata_eval.core.agentic.alert_skill import AlertSkillAssertionError
 from gooddata_eval.core.models import AgenticEvalOutcome, DatasetItem
 
@@ -81,8 +81,6 @@ def test_all_agentic_kind_cases_covers_every_registered_kind():
     """Guards the two parametrized tests below against silently going stale: a kind added
     to AGENTIC_TEST_KINDS without a matching case here would otherwise just not get tested,
     not fail loudly."""
-    from gooddata_eval.cli.agentic_runner import AGENTIC_TEST_KINDS
-
     covered = {kind for kind, _, _ in _ALL_AGENTIC_KIND_CASES}
     assert covered == set(AGENTIC_TEST_KINDS)
 
@@ -194,8 +192,6 @@ def test_dispatch_agentic_returns_a_real_outcome_for_every_kind(kind, expected_o
     evaluator produced -- not None, not the outcome's reasoning_steps list alone, not any
     other bare value the old `isinstance(outcome, tuple)`/`isinstance(outcome, AgenticEvalOutcome)`
     fallback could silently swallow."""
-    from gooddata_eval.core.models import AgenticEvalOutcome
-
     item = DatasetItem(
         id="q1",
         dataset_name="ds",