Restructured module imports

Author: Mayank447

src/qutip_qip/device/cavityqed.py

@@ -17,9 +17,6 @@
 from ..compiler import CavityQEDCompiler
 
 
-__all__ = ["DispersiveCavityQED"]
-
-
 class DispersiveCavityQED(ModelProcessor):
     """
     The processor based on the physical implementation of

src/qutip_qip/device/circuitqed.py

@@ -10,9 +10,6 @@
 from ..noise import ZZCrossTalk
 
 
-__all__ = ["SCQubits"]
-
-
 class SCQubits(ModelProcessor):
     """
     A chain of superconducting qubits with fixed frequency

src/qutip_qip/device/model.py

@@ -4,6 +4,7 @@
 from ..noise import Noise
 from qutip import Qobj
 
+
 class Model:
     """
     Template class for a physical model representing quantum hardware.

src/qutip_qip/device/modelprocessor.py

@@ -7,9 +7,6 @@
 from .processor import Processor
 
 
-__all__ = ["ModelProcessor"]
-
-
 class ModelProcessor(Processor):
     """
     The base class for a circuit processor simulating a physical device,

src/qutip_qip/device/optpulseprocessor.py

@@ -9,9 +9,6 @@
 from ..operations import gate_sequence_product, expand_operator
 
 
-__all__ = ["OptPulseProcessor"]
-
-
 class OptPulseProcessor(Processor):
     """
     A processor that uses

src/qutip_qip/device/spinchain.py

@@ -9,9 +9,6 @@
 from ..transpiler import to_chain_structure
 
 
-__all__ = ["SpinChain", "LinearSpinChain", "CircularSpinChain"]
-
-
 class SpinChain(ModelProcessor):
     """
     The processor based on the physical implementation of