Fix builtins.function and functions without arguments (#1897)

Author: tamarinvs19

utbot-python/src/main/kotlin/org/utbot/python/PythonEngine.kt

@@ -242,7 +242,10 @@ class PythonEngine(
             )
 
             if (parameters.isEmpty()) {
-                fuzzingResultHandler(pmd, emptyList())
+                val result = fuzzingResultHandler(pmd, emptyList())
+                result?.let {
+                    emit(it.fuzzingExecutionFeedback)
+                }
                 manager.disconnect()
             } else {
                 PythonFuzzing(pmd.pythonTypeStorage) { description, arguments ->

utbot-python/src/main/resources/requirements.txt

@@ -1,4 +1,4 @@
 mypy==1.0.0
 coverage
-utbot-executor==1.1.26
+utbot-executor==1.1.27
 utbot-mypy-runner==0.2.8