diff --git a/python-package/xgboost/libpath.py b/python-package/xgboost/libpath.py
index 91c8dda92..9455eb1d1 100644
--- a/python-package/xgboost/libpath.py
+++ b/python-package/xgboost/libpath.py
@@ -12,7 +12,7 @@ class XGBoostLibraryNotFound(Exception):
 
 
 def find_lib_path():
-    """Load find the path to xgboost dynamic library files.
+    """Find the path to xgboost dynamic library files.
 
     Returns
     -------
@@ -33,16 +33,15 @@ def find_lib_path():
             dll_path.append(os.path.join(curr_path, '../../windows/Release/'))
             # hack for pip installation when copy all parent source directory here
             dll_path.append(os.path.join(curr_path, './windows/Release/'))
-    if os.name == 'nt':
         dll_path = [os.path.join(p, 'libxgboost.dll') for p in dll_path]
     else:
         dll_path = [os.path.join(p, 'libxgboost.so') for p in dll_path]
     lib_path = [p for p in dll_path if os.path.exists(p) and os.path.isfile(p)]
 
     # From github issues, most of installation errors come from machines w/o compilers
-    if len(lib_path) == 0 and not os.environ.get('XGBOOST_BUILD_DOC', False):
+    if not lib_path and not os.environ.get('XGBOOST_BUILD_DOC', False):
         raise XGBoostLibraryNotFound(
-            'Cannot find XGBoost Libarary in the candidate path, ' +
+            'Cannot find XGBoost Library in the candidate path, ' +
             'did you install compilers and run build.sh in root path?\n'
             'List of candidates:\n' + ('\n'.join(dll_path)))
     return lib_path