diff --git a/tools/lib/data.py b/tools/lib/data.py
index 7cd3df5e..df221627 100644
--- a/tools/lib/data.py
+++ b/tools/lib/data.py
@@ -33,18 +33,18 @@ def datafileSelector(dataType):
   }
   return switcher[dataType]
 
-def getSubtableIndex(table,firstindex=2,column=0,count=1):
-  subtablesindex=list()
+def getSubtableRange(table,firstindex=2,column=0,count=1):
+  subtablesRange=list()
   i=firstindex+count
   while i<np.size(table,0):
     if str(table[i,column])!="":
-      subtablesindex.append((firstindex,i-1))
+      subtablesRange.append(range(firstindex,i))
       firstindex=i
       i+=count
     else:
       i+=1
-  subtablesindex.append((firstindex,np.size(table,0)))
-  return subtablesindex
+  subtablesRange.append(range(firstindex,np.size(table,0)))
+  return subtablesRange
 
 class dataFileBase(object):
   def __init__(self):
diff --git a/tools/lib/formats/default/TBEHandler.py b/tools/lib/formats/default/TBEHandler.py
index db37ce6f..fe815b82 100644
--- a/tools/lib/formats/default/TBEHandler.py
+++ b/tools/lib/formats/default/TBEHandler.py
@@ -1,19 +1,19 @@
 from ..formatHandlerBase import formatHandlerBase
 from ..formatName import formatName
-from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,getSubtableIndex
+from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,getSubtablesRange
 from ...utils import getValFromCell, checkFloat
 @formatName("TBE")
 class TBEHandler(formatHandlerBase):
   def readFromTable(self,table):
     datalist=list()
-    subtablesindex=getSubtableIndex(table)
-    for first, last in subtablesindex:
+    subtablesRange=getSubtablesRange(table)
+    for myrange in subtablesRange:
       datacls=dict()
-      mymolecule=str(table[first,0])
+      mymolecule=str(table[myrange[0],0])
       initialState=self.TexOps.initialStates[mymolecule]
       mymethod=(method("TBE(FC)"),method("TBE"))
-      finsts=dataFileBase.convertState(table[first:last+1,1],initialState,default=self.TexOps.defaultType,commands=self.commands)
-      for index,row in enumerate(table[first:last+1,]):
+      finsts=dataFileBase.convertState(table[myrange,1],initialState,default=self.TexOps.defaultType,commands=self.commands)
+      for index,row in enumerate(table[myrange,]):
         oscilatorForces=checkFloat(str(row[2]))
         T1 = checkFloat(str(row[3]))
         val,unsafe = getValFromCell(row[4])
diff --git a/tools/lib/formats/default/columnHandler.py b/tools/lib/formats/default/columnHandler.py
index bc53593a..12bb98db 100644
--- a/tools/lib/formats/default/columnHandler.py
+++ b/tools/lib/formats/default/columnHandler.py
@@ -1,22 +1,22 @@
 from ..formatHandlerBase import formatHandlerBase
 from ..formatName import formatName
-from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,getSubtableIndex
+from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,getSubtablesRange
 from ...utils import getValFromCell
 import numpy as np
 @formatName("column")
 class columnHandler(formatHandlerBase):
   def readFromTable(self,table):
     datalist=list()
-    subtablesindex=getSubtableIndex(table)
-    for first, last in subtablesindex:
+    subtablesRange=getSubtablesRange(table)
+    for myrange in subtablesRange:
       for col in range(2,np.size(table,1)):
         datacls=dict()
         col=table[:,col]
-        mymolecule=str(table[first,0])
+        mymolecule=str(table[myrange[0],0])
         initialState=self.TexOps.initialStates[mymolecule]
         mymethod=method(str(col[1]),str(col[0]))
-        finsts=dataFileBase.convertState(table[first:last+1,1],initialState,default=self.TexOps.defaultType,commands=self.commands)
-        for index,cell in enumerate(col[first:last+1]):
+        finsts=dataFileBase.convertState(table[myrange,1],initialState,default=self.TexOps.defaultType,commands=self.commands)
+        for index,cell in enumerate(col[myrange]):
           if str(cell)!="":
             val,unsafe=getValFromCell(cell)
             finst=finsts[index]
diff --git a/tools/lib/formats/default/doubleColumnHandler.py b/tools/lib/formats/default/doubleColumnHandler.py
index 6109aaf9..ce888c5a 100644
--- a/tools/lib/formats/default/doubleColumnHandler.py
+++ b/tools/lib/formats/default/doubleColumnHandler.py
@@ -1,6 +1,6 @@
 from ..formatHandlerBase import formatHandlerBase
 from ..formatName import formatName
-from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,AbsDataFile,getSubtableIndex
+from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,AbsDataFile,getSubtablesRange
 from ...LaTeX import newCommand
 import re
 from ...utils import getValFromCell
@@ -8,13 +8,13 @@ from ...utils import getValFromCell
 class doubleColumnHandler(formatHandlerBase):
   def readFromTable(self,table):
       datacls=dict()
-      subtablesMol=getSubtableIndex(table)
-      for firstMol, lastMol in subtablesMol:
-        mymolecule=str(table[firstMol,0])
-        moltable=table[firstMol:lastMol+1,:]
-        subtablestrans=getSubtableIndex(moltable,firstindex=0,column=1,count=2)
-        for firstTrans,lastTrans in subtablestrans:
-          mytrans=moltable[firstTrans:lastTrans+1,:]
+      subtablesMol=getSubtablesRange(table)
+      for rangeMol in subtablesMol:
+        mymolecule=str(table[rangeMol[0],0])
+        moltable=table[rangeMol,:]
+        subtablestrans=getSubtablesRange(moltable,firstindex=0,column=1,count=2)
+        for rangeTrans in subtablestrans:
+          mytrans=moltable[rangeTrans,:]
           mytransdesc=mytrans[0:2,1]
           for i in range(2):      
             try:
diff --git a/tools/lib/formats/default/doubleTBEHandler.py b/tools/lib/formats/default/doubleTBEHandler.py
index 960b82f7..3dfd9855 100644
--- a/tools/lib/formats/default/doubleTBEHandler.py
+++ b/tools/lib/formats/default/doubleTBEHandler.py
@@ -1,6 +1,6 @@
 from ..formatHandlerBase import formatHandlerBase
 from ..formatName import formatName
-from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,getSubtableIndex,AbsDataFile,state
+from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,getSubtablesRange,AbsDataFile,state
 from ...utils import getValFromCell, checkFloat
 from ...LaTeX import newCommand
 from TexSoup import TexSoup
@@ -9,12 +9,12 @@ import re
 class doubleTBEHandler(formatHandlerBase):
   def readFromTable(self,table):
     datalist=list()
-    subtablesMol=getSubtableIndex(table)
-    for firstMol, lastMol in subtablesMol:
+    subtablesMol=getSubtablesRange(table)
+    for rangeMol in subtablesMol:
       data=AbsDataFile()
-      data.molecule=str(table[firstMol,0])
+      data.molecule=str(table[rangeMol,0])
       data.method=method("TBE","CBS")
-      for mytrans in table[firstMol:lastMol+1]:
+      for mytrans in table[rangeMol]:
         try:
           mathsoup=TexSoup(mytrans[1])
         except:
diff --git a/tools/lib/formats/default/exoticColumnHandler.py b/tools/lib/formats/default/exoticColumnHandler.py
index 548d8fd4..06e2eaf5 100644
--- a/tools/lib/formats/default/exoticColumnHandler.py
+++ b/tools/lib/formats/default/exoticColumnHandler.py
@@ -1,6 +1,6 @@
 from ..formatHandlerBase import formatHandlerBase
 from ..formatName import formatName
-from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,getSubtableIndex,state
+from ...data import dataFileBase,DataType,method,excitationValue,datafileSelector,getSubtablesRange,state
 from ...utils import getValFromCell
 from TexSoup import TexSoup,TexNode
 from ...LaTeX import newCommand
@@ -10,10 +10,10 @@ import json
 class exoticColumnHandler(formatHandlerBase):
   def readFromTable(self,table):
     datalist=list()
-    subtablesindex=getSubtableIndex(table)
-    for first, last in subtablesindex:
+    subtablesRange=getSubtablesRange(table)
+    for myrange in subtablesRange:
       valDic=dict()
-      mymolecule=str(table[first,0])
+      mymolecule=str(table[myrange[0],0])
       initialState=self.TexOps.initialStates[mymolecule]
       for col in range(2,np.size(table,1)):
         col=table[:,col]
@@ -33,8 +33,8 @@ class exoticColumnHandler(formatHandlerBase):
           methodname=str(methtex)
         mymethod=method(methodname,basis)
         methkey=json.dumps(mymethod.__dict__)
-        finsts=dataFileBase.convertState(table[first:last+1,1],initialState,default=self.TexOps.default,commands=self.commands)
-        for index,cell in enumerate(col[first:last+1]):
+        finsts=dataFileBase.convertState(table[myrange,1],initialState,default=self.TexOps.default,commands=self.commands)
+        for index,cell in enumerate(col[myrange]):
           if str(cell)!="":
             val,unsafe=getValFromCell(cell)
             finst=finsts[index]