Contract is_deployed() error

[han-so1omon]

Code like below gives an error:

c = eosf.Contract(acct, 'path')
c.build()
c.deploy()
print(c.is_deployed()) # or just print(c)

>>> AttributeError: 'SetContract' object has no attribute 'error'

[stefanzarembinski]

I have fixed the error. The fix will be effective in the next edition.