scripts: remove all unnecessary parens after 'if' keyword

Signed-off-by: William Dauchy <william@gandi.net>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

scripts/benchs/zfs_mount.py

@@ -50,7 +50,7 @@ def run_zfsmount_bench(total_samples):
         print "%d\t%.1f\t%.1f\t%.1f\t%.1f\t%.1f" % (sample, mount_time, stats_min, stats_max, stats_avg, stats_stdev)
         osv.wait()
 
-if (__name__ == "__main__"):
+if __name__ == "__main__":
     parser = argparse.ArgumentParser(prog='zfs_mount')
     parser.add_argument("-s", "--samples", action="store", default="5",
                         help="specify number of samples")

scripts/loader.py

@@ -206,7 +206,7 @@ def free_page_ranges_tree(node):
                 break
 
 def vma_list(node = None):
-    if (node == None):
+    if node == None:
         fpr = gdb.lookup_global_symbol('mmu::vma_list').value()
         p = fpr['tree_']['data_']['node_plus_pred_']
         node = p['header_plus_size_']['header_']['parent_']
@@ -1378,7 +1378,7 @@ def invoke(self, arg, from_tty):
             ptep = pte + pt_index(addr, level) * 8
 
 def runqueue(cpuid, node = None):
-    if (node == None):
+    if node == None:
         cpus = gdb.lookup_global_symbol('sched::cpus').value()
         cpu = cpus['_M_impl']['_M_start'][cpuid]
         rq = cpu['runqueue']

scripts/post-processing/scheduler/trace_sched_timings.py

@@ -15,10 +15,10 @@
     sec = int(sec)
     microsec = int(microsec)
 
-    if (event == "sched_switch"):
+    if event == "sched_switch":
         fromm = threadp
-        if (sched.has_key(fromm)):
-            if (not threads.has_key(fromm)):
+        if sched.has_key(fromm):
+            if not threads.has_key(fromm):
                 threads[fromm] = []
 
             threads[fromm] += [(sec - sched[fromm][0], microsec - sched[fromm][1])]

scripts/test.py

@@ -101,7 +101,7 @@ def main():
         if not cmdargs.repeat:
             break
 
-if (__name__ == "__main__"):
+if __name__ == "__main__":
     parser = argparse.ArgumentParser(prog='test')
     parser.add_argument("-v", "--verbose", action="store_true", help="verbose test output")
     parser.add_argument("-r", "--repeat", action="store_true", help="repeat until test fails")