issue #6079 - move calibrator from scheduling to transformation folder

qiskit/transpiler/passes/__init__.py

@@ -88,7 +88,10 @@
    DynamicalDecoupling
    AlignMeasures
    ValidatePulseGates
-   RZXCalibrationBuilder
+
+Transformation
+=================
+RZXCalibrationBuilder
 
 Circuit Analysis
 ================
@@ -193,7 +196,9 @@
 from .scheduling import DynamicalDecoupling
 from .scheduling import AlignMeasures
 from .scheduling import ValidatePulseGates
-from .scheduling import RZXCalibrationBuilder
+
+# circuit transformation
+from .transformation import RZXCalibrationBuilder
 
 # additional utility passes
 from .utils import CheckMap

qiskit/transpiler/passes/scheduling/__init__.py

@@ -16,6 +16,4 @@
 from .asap import ASAPSchedule
 from .time_unit_conversion import TimeUnitConversion
 from .dynamical_decoupling import DynamicalDecoupling
-from .calibration_creators import CalibrationCreator, RZXCalibrationBuilder
-from .rzx_templates import rzx_templates
 from .instruction_alignment import AlignMeasures, ValidatePulseGates

qiskit/transpiler/passes/transformation/__init__.py

@@ -0,0 +1,17 @@
+# This code is part of Qiskit.
+#
+# (C) Copyright IBM 2020.
+#
+# This code is licensed under the Apache License, Version 2.0. You may
+# obtain a copy of this license in the LICENSE.txt file in the root directory
+# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# Any modifications or derivative works of this code must retain this
+# copyright notice, and modified files need to carry a notice indicating
+# that they have been altered from the originals.
+
+"""Module containing circuit transformation passes."""
+
+from .calibration_creators import CalibrationCreator, RZXCalibrationBuilder
+from .rzx_templates import rzx_templates
+

test/python/pulse/test_calibrationbuilder.py

@@ -27,7 +27,7 @@
     DriveChannel,
     GaussianSquare,
 )
-from qiskit.transpiler.passes.scheduling.calibration_creators import (
+from qiskit.transpiler.passes.transformation.calibration_creators import (
     RZXCalibrationBuilderNoEcho,
 )
 from qiskit.test.mock import FakeAthens