Solve the issue #18 by casting the float value to an int value

python/orgasm/tango.py

@@ -1414,7 +1414,7 @@ def path2fasta(self,assgraph,path,identifier="contig",minlink=10,nlength=20,back
                                 
                             glength =  nlength
                         
-                        seq.append(b'N'*glength)
+                        seq.append(b'N'*int(glength))
                         seq.append(self.index.getRead(stem[0],0,self.index.getReadSize()).lower())
                         slength.append(self.index.getReadSize())
                         if connected > 0:
@@ -1485,8 +1485,8 @@ def path2fasta(self,assgraph,path,identifier="contig",minlink=10,nlength=20,back
                 logger.info("Linked by %d pair ended links  (gap length=%f sd=%f)" % (connected,glength,sl))
                 
             label.append('{N-connection: %d}' % connected)
-            seq.append(b'N'*glength)
-            slength.append(glength)
+            seq.append(b'N'* int(glength))
+            slength.append(int(glength))
             circular=True
         elif forceconnection:
             if logger is None:
@@ -1497,7 +1497,7 @@ def path2fasta(self,assgraph,path,identifier="contig",minlink=10,nlength=20,back
                 logger.info("Linked by %d pair ended links" % connected)
                 
             label.append('{F-connection: %d}' % connected)
-            seq.append(b'N'*nlength)
+            seq.append(b'N'*int(nlength))
             circular=True
         else:
             if logger is None: