diff --git a/utbot-python/src/main/kotlin/org/utbot/python/PythonTestGenerationProcessor.kt b/utbot-python/src/main/kotlin/org/utbot/python/PythonTestGenerationProcessor.kt
index 8edc5eeaf7..46f4a7433c 100644
--- a/utbot-python/src/main/kotlin/org/utbot/python/PythonTestGenerationProcessor.kt
+++ b/utbot-python/src/main/kotlin/org/utbot/python/PythonTestGenerationProcessor.kt
@@ -8,6 +8,7 @@ import org.utbot.python.framework.codegen.model.PythonUserImport
 import org.utbot.framework.codegen.domain.TestFramework
 import org.utbot.framework.codegen.domain.models.CgMethodTestSet
 import org.utbot.framework.plugin.api.ExecutableId
+import org.utbot.framework.plugin.api.UtClusterInfo
 import org.utbot.framework.plugin.api.UtExecutionSuccess
 import org.utbot.framework.plugin.api.util.UtContext
 import org.utbot.framework.plugin.api.util.withUtContext
@@ -200,9 +201,12 @@ object PythonTestGenerationProcessor {
                 )
                 val testCode = codegen.pythonGenerateAsStringWithTestReport(
                     notEmptyTests.map { testSet ->
+                        val intRange = testSet.executions.indices
+                        val clusterInfo = listOf(Pair(UtClusterInfo("FUZZER"), intRange))
                         CgMethodTestSet(
                             executableId = methodIds[testSet.method] as ExecutableId,
-                            executions = testSet.executions
+                            executions = testSet.executions,
+                            clustersInfo = clusterInfo,
                         )
                     },
                     allImports
@@ -299,4 +303,4 @@ object PythonTestGenerationProcessor {
         } else {
             paths
         }
-}
\ No newline at end of file
+}