--- a/dexseq_helper.py	Thu Oct 08 16:52:01 2015 -0400
+++ b/dexseq_helper.py	Sun Jan 29 06:59:35 2017 -0500
@@ -1,41 +1,36 @@
-
-from galaxy.tools.parameters import DataToolParameter
-
-def validate_input( trans, error_map, param_values, page_param_map ):
-    """
-        Validates the user input, before execution.
-    """
-    factors = param_values['rep_factorName']
-    factor_name_list = []
-    factor_duplication = False
-    level_duplication = False
-
-    for factor in factors:
-        # factor names should be unique
-        fn = factor['factorName']
-        if fn in factor_name_list:
-            factor_duplication = True
-            break
-        factor_name_list.append( fn )
-
-        level_name_list = list()
-        factor_index_list = list()
-
-        for level in ['factorLevel1', 'factorLevel2']:
-            # level names under one factor should be unique
-            fl = factor[level]
-            if fl in level_name_list:
-                level_duplication = True
-            level_name_list.append( fl )
-
-        if level_duplication:
-            error_map['rep_factorName'] = [ dict() for t in factors ]
-            for i in range( len( factors ) ):
-                error_map['rep_factorName'][i]['FactorLevel1'] = [ {'factorLevel': 'Factor levels for each factor need to be unique'} for t in [factor['factorLevel1'], factor['factorLevel2']] ]
-            break
-
-    if factor_duplication:
-        error_map['rep_factorName'] = [ dict() for t in factors ]
-        for i in range( len( factors ) ):
-            error_map['rep_factorName'][i]['factorName'] = 'Factor names need to be unique.'
-
+def validate_input( trans, error_map, param_values, page_param_map ):
+    """
+        Validates the user input, before execution.
+    """
+    factors = param_values['rep_factorName']
+    factor_name_list = []
+    factor_duplication = False
+    level_duplication = False
+
+    for factor in factors:
+        # factor names should be unique
+        fn = factor['factorName']
+        if fn in factor_name_list:
+            factor_duplication = True
+            break
+        factor_name_list.append( fn )
+
+        level_name_list = list()
+
+        for level in ['factorLevel1', 'factorLevel2']:
+            # level names under one factor should be unique
+            fl = factor[level]
+            if fl in level_name_list:
+                level_duplication = True
+            level_name_list.append( fl )
+
+        if level_duplication:
+            error_map['rep_factorName'] = [ dict() for t in factors ]
+            for i in range( len( factors ) ):
+                error_map['rep_factorName'][i]['FactorLevel1'] = [ {'factorLevel': 'Factor levels for each factor need to be unique'} for t in [factor['factorLevel1'], factor['factorLevel2']] ]
+            break
+
+    if factor_duplication:
+        error_map['rep_factorName'] = [ dict() for t in factors ]
+        for i in range( len( factors ) ):
+            error_map['rep_factorName'][i]['factorName'] = 'Factor names need to be unique.'