Fix issues found by pychecker

Signed-off-by: Andy Grover <agrover@redhat.com>

6 files changed, 4 insertions, 9 deletions

diff --git a/rtslib/__init__.py b/rtslib/__init__.py
index 0eee220..146dc1f 100644
--- a/rtslib/__init__.py
+++ b/rtslib/__init__.py
@@ -15,8 +15,6 @@ You should have received a copy of the GNU Affero General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 '''
 
-import utils
-
 from root import RTSRoot
 from utils import RTSLibError, RTSLibBrokenLink, RTSLibNotInCFS
 
diff --git a/rtslib/fabric.py b/rtslib/fabric.py
index 5ef0ed6..b5e507c 100644
--- a/rtslib/fabric.py
+++ b/rtslib/fabric.py
@@ -162,7 +162,7 @@ class _BaseFabricModule(CFSNode):
 
     def _get_version(self):
         if self.exists:
-            for attr in self.version_attributes:
+            for attr in version_attributes:
                 path = "%s/%s" % (self.path, attr)
                 if os.path.isfile(path):
                     return fread(path)
diff --git a/rtslib/root.py b/rtslib/root.py
index e25cef6..93ef585 100644
--- a/rtslib/root.py
+++ b/rtslib/root.py
@@ -71,7 +71,6 @@ class RTSRoot(CFSNode):
 
     def _list_targets(self):
         self._check_self()
-        targets = set([])
         for fabric_module in self.fabric_modules:
             for target in fabric_module.targets:
                 yield target
diff --git a/rtslib/target.py b/rtslib/target.py
index 0da4ee7..04125ac 100644
--- a/rtslib/target.py
+++ b/rtslib/target.py
@@ -22,7 +22,6 @@ import re
 import os
 from glob import iglob as glob
 import uuid
-import shutil
 
 from node import CFSNode
 from os.path import isdir
@@ -362,7 +361,7 @@ class TPG(CFSNode):
             # Not using fabric-specific version of normalize_wwn, since we
             # want to make sure wwn conforms to regexp, but don't check
             # against target wwn_list, since we're setting the "initiator" here.
-            nexus_wwn = normalize_wwn((wwn_type,), wwn)[0]
+            nexus_wwn = normalize_wwn((wwn_type,), nexus_wwn)[0]
         else:
             nexus_wwn = generate_wwn(wwn_type)
 
diff --git a/rtslib/tcm.py b/rtslib/tcm.py
index 17742d6..e537bc4 100644
--- a/rtslib/tcm.py
+++ b/rtslib/tcm.py
@@ -736,7 +736,7 @@ class _Backstore(CFSNode):
                     bs_cache[self._lookup_key] = self._index
                     break
             else:
-                raise ExecutionError("No available backstore index")
+                raise RTSLibError("No available backstore index")
 
         self._path = "%s/core/%s_%d" % (self.configfs_dir,
                                         dirp,
diff --git a/rtslib/utils.py b/rtslib/utils.py
index 6b40211..baee30a 100644
--- a/rtslib/utils.py
+++ b/rtslib/utils.py
@@ -21,7 +21,6 @@ import re
 import os
 import stat
 import uuid
-import glob
 import socket
 import subprocess
 from contextlib import contextmanager
@@ -151,7 +150,7 @@ def get_block_type(path):
 
     # is dev a block device?
     try:
-        maj_min = "%s:%s" % get_block_numbers(dev)
+        get_block_numbers(dev)
     except (OSError, IOError):
         return None