wrap scapy with explicit imports
pylint can't handle scapy's magical imports.
diff --git a/src/python/oftest/testutils.py b/src/python/oftest/testutils.py
index e87b7a0..26c25d3 100644
--- a/src/python/oftest/testutils.py
+++ b/src/python/oftest/testutils.py
@@ -4,14 +4,7 @@
import types
import time
import re
-
-try:
- import scapy.all as scapy
-except:
- try:
- import scapy as scapy
- except:
- sys.exit("Need to install scapy for packet parsing")
+import packet as scapy
import oftest
import oftest.controller