add cadnano

mrdna/readers/segmentmodel_from_cadnano.py

@@ -226,7 +226,7 @@ def gen_prop_table(part):
     for i,v,z,f in zip(not_stacked, vh,nzid,fwd):
         key = (v,z,f)
         if key in _hashtable:
-            nt_prop['stack'][i] = _hashtable[key]
+            nt_prop.loc[i]['stack']= _hashtable[key]
 
     devlogger.debug(f'  Building 3prime')
     tprime=[]
@@ -241,7 +241,7 @@ def gen_prop_table(part):
         orientation[sl] = tmp
     nt_prop["orientation"] = [x for x in orientation]
 
-    nt_prop=nt_prop.fillna(-1)
+    nt_prop=nt_prop.fillna(-1).infer_objects(copy=False)
     counter=-1
     devlogger.debug(f'  Building bp and bp_map orientations')
     bp=-np.ones(len(nt_prop.index),dtype=int)