fix flake8

Author: brettlangdon

tests/contrib/aiobotocore/test.py

@@ -3,7 +3,6 @@
 
 from ddtrace.contrib.aiobotocore.patch import patch, unpatch
 from ddtrace.constants import ANALYTICS_SAMPLE_RATE_KEY
-from ddtrace.ext import http
 from ddtrace.compat import stringify
 
 from .utils import aiobotocore_client

tests/contrib/botocore/test.py

@@ -6,7 +6,6 @@
 from ddtrace import Pin
 from ddtrace.constants import ANALYTICS_SAMPLE_RATE_KEY
 from ddtrace.contrib.botocore.patch import patch, unpatch
-from ddtrace.ext import http
 from ddtrace.compat import stringify
 
 # testing