test: clean up imports

lib/sata/test/bist_tb.py

@@ -1,9 +1,3 @@
-import random, copy
-
-from migen.fhdl.std import *
-from migen.genlib.record import *
-from migen.sim.generic import run_simulation
-
 from lib.sata.common import *
 from lib.sata import SATACON
 from lib.sata.bist import SATABIST

lib/sata/test/command_tb.py

@@ -1,9 +1,3 @@
-import random
-
-from migen.fhdl.std import *
-from migen.genlib.record import *
-from migen.sim.generic import run_simulation
-
 from lib.sata.common import *
 from lib.sata.link import SATALink
 from lib.sata.transport import SATATransport

lib/sata/test/common.py

@@ -1,5 +1,9 @@
 import random, copy
 
+from migen.fhdl.std import *
+from migen.genlib.record import *
+from migen.sim.generic import run_simulation
+
 from lib.sata.common import *
 
 def seed_to_data(seed, random=True):

lib/sata/test/crc_tb.py

@@ -1,7 +1,5 @@
 import subprocess
 
-from migen.fhdl.std import *
-
 from lib.sata.common import *
 from lib.sata.link.crc import *
 

lib/sata/test/hdd.py

@@ -1,8 +1,6 @@
 import subprocess
 import math
 
-from migen.fhdl.std import *
-
 from lib.sata.common import *
 from lib.sata.test.common import *
 

lib/sata/test/link_tb.py

@@ -1,9 +1,3 @@
-import random
-
-from migen.fhdl.std import *
-from migen.genlib.record import *
-from migen.sim.generic import run_simulation
-
 from lib.sata.common import *
 from lib.sata.link import SATALink
 

lib/sata/test/scrambler_tb.py

@@ -1,7 +1,5 @@
 import subprocess
 
-from migen.fhdl.std import *
-
 from lib.sata.common import *
 from lib.sata.link.scrambler import *