Add alt text to images (#2079)

* Add alt text to images

* Update __init__.py

* Update dynamical_decoupling.py

* Update __init__.py

qiskit_ibm_runtime/fake_provider/__init__.py

@@ -32,6 +32,7 @@
 Here is an example of using a fake backend for transpilation and simulation.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -53,14 +54,17 @@
    circuit.draw('mpl', style="iqp")
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
-   # Transpile the ideal circuit to a circuit that can be directly executed by the backend
+   # Transpile the ideal circuit to a circuit that can be 
+   # directly executed by the backend
    transpiled_circuit = transpile(circuit, backend)
    transpiled_circuit.draw('mpl', style="iqp")
 
 .. plot::
+   :alt: [Histogram output by the previous code.]
    :include-source:
    :context: close-figs
    
@@ -89,7 +93,8 @@
         service = QiskitRuntimeService()
         backend = service.backend('ibmq_manila')
 
-        # generate a simulator that mimics the real quantum system with the latest calibration results
+        # generate a simulator that mimics the real quantum 
+        # system with the latest calibration results
         backend_sim = AerSimulator.from_backend(backend)
 
 

qiskit_ibm_runtime/transpiler/passes/scheduling/__init__.py

@@ -23,7 +23,7 @@
 of measurement results.
 
 .. warning::
-    You should not mix these scheduling passes with Qiskit's builtin scheduling
+    You should not mix these scheduling passes with Qiskit's built in scheduling
     passes as they will negatively interact with the scheduling routines for
     dynamic circuits. This includes setting ``scheduling_method`` in
     :func:`~qiskit.compiler.transpile` or
@@ -49,6 +49,7 @@
 for a dynamic circuit backend's execution model:
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -100,6 +101,7 @@
 using the :class:`PadDynamicalDecoupling` pass as shown below:
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -135,6 +137,7 @@
 Scheduling with old format ``c_if`` conditioned gates is not supported.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -150,6 +153,7 @@
 We may then schedule the transpiled circuit without further modification.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -174,6 +178,7 @@
 prior to your scheduling pass.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -205,6 +210,7 @@
 gates to the same measurement qubit.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -224,6 +230,7 @@
 on a different qubit than the measurement qubit.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -238,6 +245,7 @@
 and will not be performed using the fast-path.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -254,6 +262,7 @@
 padded out to the duration of the longest block.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -272,6 +281,7 @@
 This behavior is also applied to the else condition of a fast-path eligible branch.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -292,6 +302,7 @@
 the standard higher latency conditional branch.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -311,6 +322,7 @@
 the conditional branch.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -326,6 +338,7 @@
 Conditional measurements are not eligible for the fast-path.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -340,6 +353,7 @@
 Similarly nested control-flow is not eligible.
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -361,6 +375,7 @@
 be padded out by the scheduler to ensure they are of the same duration in Qiskit
 
 .. plot::
+   :alt: [Circuit diagram output by the previous code.]
    :include-source:
    :context: close-figs
 
@@ -380,6 +395,7 @@
     qc.draw(output="mpl", style="iqp")
 
 .. plot::
+    :alt: [Circuit diagram output by the previous code.]
     :include-source:
     :context: close-figs
 
@@ -404,6 +420,7 @@
     For example:
 
     .. plot::
+       :alt: [Circuit diagram output by the previous code.]
        :include-source:
        :context: close-figs
 

qiskit_ibm_runtime/transpiler/passes/scheduling/dynamical_decoupling.py

@@ -54,6 +54,7 @@ class PadDynamicalDecoupling(BlockBasePadder):
     (including global phase).
 
     .. plot::
+       :alt: [Circuit diagram output by the previous code.]
        :include-source:
        :context: close-figs
 
@@ -86,6 +87,7 @@ class PadDynamicalDecoupling(BlockBasePadder):
         circ_dd.draw('mpl', style="iqp")
 
     .. plot::
+       :alt: [Circuit diagram output by the previous code.]
        :include-source:
        :context: close-figs