Fix flake8

tests/test_session.py

@@ -134,17 +134,13 @@ async def test_session_requests(
 
 
 async def test_404_when_session_doesnt_exist(agent):
-    """
-    When a session that doesn't exist is requested, we should get an error.
-    """
+    """When a session that doesn't exist is requested, we should get an error."""
     resp = await agent.get("/test/session/traces", params={"test_session_token": "nonexistent"})
     assert resp.status == 404
 
 
 async def test_empty_session_ok(agent):
-    """
-    When a session exists but has no traces, we should get an OK with an empty list returned
-    """
+    """When a session exists but has no traces, we should get an OK with an empty list returned"""
     resp = await agent.get("/test/session/start", params={"test_session_token": "emptysession"})
     assert resp.status == 200
     resp = await agent.get("/test/session/traces", params={"test_session_token": "emptysession"})
@@ -153,9 +149,7 @@ async def test_empty_session_ok(agent):
 
 
 async def test_session_association_of_untokenized_traces(agent, do_reference_v04_http_trace):
-    """
-    Requests sent without a session token are associated with the session that proceeds it
-    """
+    """Requests sent without a session token are associated with the session that proceeds it"""
     resp = await agent.get("/test/session/start", params={"test_session_token": "sessiona"})
     assert resp.status == 200
     await do_reference_v04_http_trace()
@@ -172,9 +166,7 @@ async def test_session_association_of_untokenized_traces(agent, do_reference_v04
 async def test_session_results_with_token_but_no_session_start(
     agent, do_reference_v04_http_trace, v04_reference_http_trace_payload_data_raw
 ):
-    """
-    Requests sent without a session token are associated with the session that proceeds it
-    """
+    """Requests sent without a session token are associated with the session that proceeds it"""
     await do_reference_v04_http_trace(token="nosessionstart")
     resp = await agent.get("/test/session/traces", params={"test_session_token": "nosessionstart"})
     assert resp.status == 200