fix: path with platform name for Kernels

src/qibolab/qubits.py

@@ -15,7 +15,7 @@
 
 Not all channels are required to operate a qubit.
 """
-EXCLUDED_FIELDS = CHANNEL_NAMES + ("name", "native_gates", "_flux")
+EXCLUDED_FIELDS = CHANNEL_NAMES + ("name", "native_gates", "kernels", "_flux")
 """Qubit dataclass fields that are excluded by the ``characterization``
 property."""
 

src/qibolab/serialize.py

@@ -138,11 +138,9 @@ def dump_qubits(
     }
 
     kernels = Kernels()
-    for q in qubits:
-        qubit = characterization["single_qubit"][q]
-        if qubit["kernel"] is not None:
-            kernel = qubit.pop("kernel")
-            kernels[q] = kernel
+    for qubit in qubits.values():
+        if qubit.kernel is not None:
+            kernels[qubit.name] = qubit.kernel
 
     if couplers:
         characterization["coupler"] = {
@@ -185,7 +183,10 @@ def dump_runcard(platform: Platform, path: Path):
         if qubit.kernel is not None:
             kernels[qubit.name] = qubit.kernel
             qubit.kernel = None
-    Kernels(kernels).dump(Path(__file__).parent / "dummy" / KERNELS_FILE)
+    name = platform.name
+    if platform.name == "dummy_couplers":
+        name = "dummy"
+    Kernels(kernels).dump(Path(__file__).parent / name / KERNELS_FILE)
 
     settings = {
         "nqubits": platform.nqubits,