diff --git a/.lgtm.yml b/.lgtm.yml
new file mode 100644
index 00000000..da28dfc1
--- /dev/null
+++ b/.lgtm.yml
@@ -0,0 +1,5 @@
+---
+extraction:
+  python:
+    python_setup:
+      version: 2
diff --git a/library/blivet.py b/library/blivet.py
index d671d09b..3b649213 100644
--- a/library/blivet.py
+++ b/library/blivet.py
@@ -127,7 +127,7 @@ class BlivetAnsibleError(Exception):
     pass
 
 
-class BlivetVolume:
+class BlivetVolume(object):
     def __init__(self, blivet_obj, volume, bpool=None):
         self._blivet = blivet_obj
         self._volume = volume
@@ -369,7 +369,7 @@ def _get_blivet_volume(blivet_obj, volume, bpool=None):
     return _BLIVET_VOLUME_TYPES[volume_type](blivet_obj, volume, bpool=bpool)
 
 
-class BlivetPool:
+class BlivetPool(object):
     def __init__(self, blivet_obj, pool):
         self._blivet = blivet_obj
         self._pool = pool
diff --git a/library/lvm_gensym.py b/library/lvm_gensym.py
index fc08c732..49d1822b 100644
--- a/library/lvm_gensym.py
+++ b/library/lvm_gensym.py
@@ -43,16 +43,10 @@
 RETURN = '''
 vg_name:
     description: The default generated name for an unspecified volume group
-    type: str 
-'''
-
-RETURN = '''
-vg_name:
-    description: The default generated name for an unspecified volume group
-    type: str 
+    type: str
 
 lv_name:
-    description: The default generated name for an unspecified logical volume 
+    description: The default generated name for an unspecified logical volume
     type: str
 '''
 
diff --git a/library/resolve_blockdev.py b/library/resolve_blockdev.py
index 904f726e..007bb28e 100644
--- a/library/resolve_blockdev.py
+++ b/library/resolve_blockdev.py
@@ -82,7 +82,7 @@ def _get_dm_name_from_kernel_dev(kdev):
 def _get_md_name_from_kernel_dev(kdev):
     minor = os.minor(os.stat(kdev).st_rdev)
     return next(name for name in os.listdir(DEV_MD)
-                    if os.minor(os.stat("%/%s" % (DEV_MD, name).st_rdev) == minor))
+                if os.minor(os.stat("%s/%s" % (DEV_MD, name)).st_rdev) == minor)
 
 
 def canonical_device(device):