Always reproduced (ClickHouse server version 22.3.2.1):
`
udf code, python version 3.9.6
#!/usr/bin/python

import sys
import time

if __name__ == '__main__':
    for line in sys.stdin:
        print("Python4 " + line, end='')
        sys.stdout.flush()
`

SELECT test_function_python('clickhouse')

Query id: 57da3834-1238-4da6-a984-48d4c1bb4a04

┌─test_function_python('clickhouse')─┐
│ Python4 clickhouse                 │
└────────────────────────────────────┘

1 rows in set. Elapsed: 0.001 sec.

SELECT test_function_python('clickhouse') AS uuu
GROUP BY uuu

Query id: c14131e5-e7aa-4585-a9f5-8e4b3e29fe44


0 rows in set. Elapsed: 0.002 sec.

Received exception from server (version 22.3.2):
Code: 46. DB::Exception: Received from 10.254.134.108:9000. DB::Exception: Unknown function test_function_python. (UNKNOWN_FUNCTION)


SELECT uuu
FROM
(
    SELECT test_function_python('clickhouse') AS uuu
) AS tmp
GROUP BY uuu

Query id: 20ca737b-35e1-418a-ab8e-2a296ac44e28

┌─uuu────────────────┐
│ Python4 clickhouse │
└────────────────────┘

1 rows in set. Elapsed: 0.002 sec.
{
        if (const auto * function = group_exprs[i]->as<ASTFunction>())
        {
            
            if (possibly_injective_function_names.contains(function->name))
            {
                
                if (function->arguments->children.size() < 2)
                {
                    ++i;
                    continue;
                }
                const auto * dict_name_ast = function->arguments->children[0]->as<ASTLiteral>();
                const auto * attr_name_ast = function->arguments->children[1]->as<ASTLiteral>();
                if (!dict_name_ast || !attr_name_ast)
                {
                    ++i;
                    continue;
                }
                const auto & dict_name = dict_name_ast->value.safeGet<String>();
                const auto & attr_name = attr_name_ast->value.safeGet<String>();
                const auto & dict_ptr = context->getExternalDictionariesLoader().getDictionary(dict_name, context);
                if (!dict_ptr->isInjective(attr_name))
                {
                    ++i;
                    continue;
                }
            }
            else if (!function_factory.get(function->name, context)->isInjective({}))
            {