[OpenVINO] Fix jais-13b int4 config (#1521)

* Add config only if nncf is installed

* Fix

Author: nikita-savelyevv

optimum/intel/openvino/configuration.py

@@ -350,17 +350,24 @@ class OVQuantizationMethod(str, Enum):
         "sym": False,
         "group_size": -1,
     },
-    "inceptionai/jais-13b": {
-        "bits": 4,
-        "sym": False,
-        "group_size": 128,
-        "ratio": 1.0,
-        "advanced_parameters": nncf.AdvancedCompressionParameters(
-            group_size_fallback_mode=nncf.GroupSizeFallbackMode.ADJUST,
-        ),
-    },
 }
 
+if is_nncf_available():
+    # TODO: Remove after update to NNCF 2.19 because `group_size_fallback` argument will be added to OVWeightQuantizationConfig
+    _DEFAULT_4BIT_WQ_CONFIGS.update(
+        {
+            "inceptionai/jais-13b": {
+                "bits": 4,
+                "sym": False,
+                "group_size": 128,
+                "ratio": 1.0,
+                "advanced_parameters": nncf.AdvancedCompressionParameters(
+                    group_size_fallback_mode=nncf.GroupSizeFallbackMode.ADJUST,
+                ),
+            }
+        }
+    )
+
 # Add configs for model id aliases
 # The list below contains pairs of model ids: config for the second model id will be copied from the first model id.
 model_id_aliases = [