IndentationError: unexpected unindent WHY?

Question

IndentationError: unexpected unindent WHY???

#!/usr/bin/python
import sys
class Seq:
    def __init__(self, id, adnseq, colen):
        self.id     = id
             


        

Answer 1

It's because you have:

def readTTable(fname):
    try:

without a matching except block after the try: block. Every try must have at least one matching except.

See the Errors and Exceptions section of the Python tutorial.