diff --git a/lib/latte/Install.py b/lib/latte/Install.py
index 76538941cb..61f52943d8 100644
--- a/lib/latte/Install.py
+++ b/lib/latte/Install.py
@@ -69,7 +69,7 @@ version = args.version
 suffixflag = args.machine != None
 suffix = args.machine
 
-if (pathflag):
+if pathflag:
   lattedir = args.path
   if not os.path.isdir(lattedir): sys.exit("LATTE path %s does not exist" % lattedir)
   lattedir = fullpath(lattedir)
diff --git a/lib/mscg/Install.py b/lib/mscg/Install.py
index 12a8aeb5c2..39b673a901 100644
--- a/lib/mscg/Install.py
+++ b/lib/mscg/Install.py
@@ -72,7 +72,7 @@ tardir = "MSCG-release-%s" % mscgver
 homepath = fullpath('.')
 homedir = "%s/%s" % (homepath,tardir)
 
-if (pathflag):
+if pathflag:
     if not os.path.isdir(mscgpath):
       sys.exit("MS-CG path %s does not exist" % mscgpath)
     homedir = fullpath(mscgpath)
diff --git a/lib/scafacos/Install.py b/lib/scafacos/Install.py
index 91ab10e099..3bbda90478 100644
--- a/lib/scafacos/Install.py
+++ b/lib/scafacos/Install.py
@@ -60,7 +60,7 @@ version = args.version
 homepath = fullpath(".")
 scafacospath = "%s/scafacos-%s" % (homepath,version)
 
-if (pathflag):
+if pathflag:
   scafacospath = args.path
   if not os.path.isdir("%s/include" % scafacospath):
     sys.exit("ScaFaCoS include path for %s does not exist" % scafacospath)
diff --git a/lib/smd/Install.py b/lib/smd/Install.py
index c0db3e9a38..7e85582d99 100644
--- a/lib/smd/Install.py
+++ b/lib/smd/Install.py
@@ -63,7 +63,7 @@ buildflag = args.build
 pathflag = args.path != None
 version = args.version
 
-if (pathflag):
+if pathflag:
   eigenpath = args.path
   if not os.path.isdir(eigenpath): sys.exit("Eigen path %s does not exist" % eigenpath)
   eigenpath = fullpath(eigenpath)
diff --git a/lib/voronoi/Install.py b/lib/voronoi/Install.py
index 2312d22ea4..126327ed18 100644
--- a/lib/voronoi/Install.py
+++ b/lib/voronoi/Install.py
@@ -63,7 +63,7 @@ voropath = args.path
 homepath = fullpath(".")
 homedir = "%s/%s" % (homepath,version)
 
-if (pathflag):
+if pathflag:
     if not os.path.isdir(voropath):
       sys.exit("Voro++ path %s does not exist" % voropath)
     homedir = voropath