pep8 fixes
pep8 fixes
pep8 fixes
pep8 fixes
pep8 fixes
pep8 fixes
pep8 fixes
pep8 fixes
pep8 fixes
pep8 fixes
Bug fix
Bug fix
Bug Fix
Fixed error in add_1q_gate
Fixed error in remove_gate
Fixed error in remove_gate
Fixed error in add_circuit
Merge pull request #183 from anubhavvardhan/quantum_circuit

Pep8 fixes.