Unable to decompile .pyc file

'main' looks fine but the 'spammer' function is broken near the try-except block somehow. You can sort through the IL code to work it out, but it just looks like a Russian wrapper for this class:
https://docs.telethon.dev/en/stable/modules/client.html

Feeding script.pyc into https://www.toolnb.com/tools-lang-en/pyc.html:

# uncompyle6 version 3.5.0 # Python bytecode 3.8 (3413) # Decompiled from: Python 2.7.5 (default, Jun 20 2023, 11:36:40) # [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] # Embedded file name: script.py from telethon.sync import TelegramClient, errors from time import sleep from telethon.errors.rpcerrorlist import MessageTooLongError, PeerIdInvalidError from os import system import random print(' \n ___ ____ __ ___ ____ ___ _____ ____ ____ \n / __)( _ \\ /__\\ / __)( ___) / __)( _ )( ___)(_ _)\n \\__ \\ )___//(__)\\( (__ )__) \\__ \\ )(_)( )__) )( \n (___/(__) (__)(__)\\___)(____) (___/(_____)(__) (__)\n\n\n Telegram: @Dspace_soft\n ') sleep(2) try: f = open('Api.txt', 'r') a = f.read().splitlines() api_id = a[0] api_hash = a[1] f.close() except FileNotFoundError: system('cls') api_id = input('Enter id: ') api_hash = input('Enter hash: ') f = open('Api.txt', 'w') f.write(api_id + '\n' + api_hash) f.close() else: client = TelegramClient('client', api_id, api_hash) def dialog_sort(dialog): return dialog.unread_count def spammer--- This code section failed: --- 36 0 LOAD_GLOBAL int 2 LOAD_GLOBAL input 4 LOAD_CONST u'\u0412\u0432\u0435\u0434\u0438\u0442\u0435 \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0443 \u043c\u0435\u0436\u0434\u0443 \u0440\u0430\u0441\u0441\u044b\u043b\u043a\u0430\u043c\u0438 (\u0432 \u0441\u0435\u043a\u0443\u043d\u0434\u0430\u0445): ' 6 CALL_FUNCTION_1 1 '' 8 CALL_FUNCTION_1 1 '' 10 STORE_FAST 'delay' 37 12 LOAD_CONST 0 14 STORE_FAST 'k' 38 16 LOAD_CONST 0 18 STORE_FAST 'j' 39 20 BUILD_LIST_0 0 22 BUILD_TUPLE_1 1 24 LOAD_CLOSURE 'client' 26 BUILD_TUPLE_1 1 28 LOAD_CODE <code_object create_groups_list> 30 LOAD_STR 'spammer.<locals>.create_groups_list' 32 MAKE_FUNCTION_9 'default, closure' 34 STORE_FAST 'create_groups_list' 45 36 LOAD_DEREF 'client' 38 SETUP_WITH 538 'to 538' 42 POP_TOP 46 44 LOAD_DEREF 'client' 46 LOAD_METHOD iter_messages 48 LOAD_STR 'me' 50 LOAD_CONST 1 52 CALL_METHOD_2 2 '' 54 GET_ITER 56 FOR_ITER 66 'to 66' 58 STORE_FAST 'm' 47 60 LOAD_FAST 'm' 62 STORE_FAST 'msg' 64 JUMP_BACK 56 'to 56' 49 66 LOAD_FAST 'create_groups_list' 68 CALL_FUNCTION_0 0 '' 70 STORE_FAST 'groups' 50 72 LOAD_FAST 'groups' 74 LOAD_ATTR sort 76 LOAD_GLOBAL dialog_sort 78 LOAD_CONST True 80 LOAD_CONST ('key', 'reverse') 82 CALL_FUNCTION_KW_2 2 '' 84 POP_TOP 51 86 LOAD_FAST 'groups' 88 LOAD_CONST None 90 LOAD_CONST 10000 92 BUILD_SLICE_2 2 94 BINARY_SUBSCR 96 GET_ITER 98 FOR_ITER 488 'to 488' 102 STORE_FAST 'g' 52 104 SETUP_FINALLY 134 'to 134' 53 106 LOAD_DEREF 'client' 108 LOAD_METHOD forward_messages 110 LOAD_FAST 'g' 112 LOAD_FAST 'msg' 114 LOAD_STR 'me' 116 CALL_METHOD_3 3 '' 118 POP_TOP 54 120 LOAD_FAST 'k' 122 LOAD_CONST 1 124 BINARY_ADD 126 STORE_FAST 'k' 128 POP_BLOCK 130 JUMP_FORWARD 474 'to 474' 134_0 COME_FROM_FINALLY 104 '104' 55 134 DUP_TOP 136 LOAD_GLOBAL errors 138 LOAD_ATTR ForbiddenError 140 COMPARE_OP exception-match 142 POP_JUMP_IF_FALSE 242 'to 242' 144 POP_TOP 146 STORE_FAST 'o' 148 POP_TOP 150 SETUP_FINALLY 230 'to 230' 56 152 LOAD_DEREF 'client' 154 LOAD_METHOD delete_dialog 156 LOAD_FAST 'g' 158 CALL_METHOD_1 1 '' 160 POP_TOP 57 162 LOAD_FAST 'g' 164 LOAD_ATTR entity 166 LOAD_ATTR username 168 LOAD_CONST None 170 COMPARE_OP != 172 POP_JUMP_IF_FALSE 202 'to 202' 58 174 LOAD_GLOBAL print 176 LOAD_STR 'Error: ' 178 LOAD_FAST 'o' 180 LOAD_ATTR message 182 FORMAT_VALUE 0 '' 184 LOAD_CONST u' \u0410\u043a\u043a\u0430\u0443\u043d\u0442 \u043f\u043e\u043a\u0438\u043d\u0443\u043b @' 186 LOAD_FAST 'g' 188 LOAD_ATTR entity 190 LOAD_ATTR username 192 FORMAT_VALUE 0 '' 194 BUILD_STRING_4 4 '' 196 CALL_FUNCTION_1 1 '' 198 POP_TOP 200 JUMP_FORWARD 226 'to 226' 202 ELSE '226' 60 202 LOAD_GLOBAL print 204 LOAD_STR 'Error: ' 206 LOAD_FAST 'o' 208 LOAD_ATTR message 210 FORMAT_VALUE 0 '' 212 LOAD_CONST u' \u0410\u043a\u043a\u0430\u0443\u043d\u0442 \u043f\u043e\u043a\u0438\u043d\u0443\u043b ' 214 LOAD_FAST 'g' 216 LOAD_ATTR name 218 FORMAT_VALUE 0 '' 220 BUILD_STRING_4 4 '' 222 CALL_FUNCTION_1 1 '' 224 POP_TOP 226_0 COME_FROM 200 '200' 226 POP_BLOCK 228 BEGIN_FINALLY 230_0 COME_FROM_FINALLY 150 '150' 230 LOAD_CONST None 232 STORE_FAST 'o' 234 DELETE_FAST 'o' 236 END_FINALLY 238 POP_EXCEPT 240 JUMP_FORWARD 474 'to 474' 61 242 DUP_TOP 244 LOAD_GLOBAL errors 246 LOAD_ATTR FloodError 248 COMPARE_OP exception-match 250 POP_JUMP_IF_FALSE 302 'to 302' 254 POP_TOP 256 STORE_FAST 'e' 258 POP_TOP 260 SETUP_FINALLY 290 'to 290' 62 262 LOAD_GLOBAL print 264 LOAD_STR 'Error: ' 266 LOAD_FAST 'e' 268 LOAD_ATTR message 270 FORMAT_VALUE 0 '' 272 BUILD_STRING_2 2 '' 274 CALL_FUNCTION_1 1 '' 276 POP_TOP 63 278 POP_BLOCK 280 POP_EXCEPT 282 CALL_FINALLY 290 'to 290' 284 JUMP_BACK 98 'to 98' 286 POP_BLOCK 288 BEGIN_FINALLY 290_0 COME_FROM 282 '282' 290_1 COME_FROM_FINALLY 260 '260' 290 LOAD_CONST None 292 STORE_FAST 'e' 294 DELETE_FAST 'e' 296 END_FINALLY 298 POP_EXCEPT 300 JUMP_FORWARD 474 'to 474' 64 302 DUP_TOP 304 LOAD_GLOBAL PeerIdInvalidError 306 COMPARE_OP exception-match 308 POP_JUMP_IF_FALSE 332 'to 332' 312 POP_TOP 314 POP_TOP 316 POP_TOP 65 318 LOAD_DEREF 'client' 320 LOAD_METHOD delete_dialog 322 LOAD_FAST 'g' 324 CALL_METHOD_1 1 '' 326 POP_TOP 328 POP_EXCEPT 330 JUMP_FORWARD 474 'to 474' 66 332 DUP_TOP 334 LOAD_GLOBAL MessageTooLongError 336 COMPARE_OP exception-match 338 POP_JUMP_IF_FALSE 368 'to 368' 342 POP_TOP 344 POP_TOP 346 POP_TOP 67 348 LOAD_GLOBAL print 350 LOAD_STR 'Message was too long ==> ' 352 LOAD_FAST 'g' 354 LOAD_ATTR name 356 FORMAT_VALUE 0 '' 358 BUILD_STRING_2 2 '' 360 CALL_FUNCTION_1 1 '' 362 POP_TOP 364 POP_EXCEPT 366 JUMP_FORWARD 474 'to 474' 68 368 DUP_TOP 370 LOAD_GLOBAL errors 372 LOAD_ATTR BadRequestError 374 COMPARE_OP exception-match 376 POP_JUMP_IF_FALSE 420 'to 420' 380 POP_TOP 382 STORE_FAST 'i' 384 POP_TOP 386 SETUP_FINALLY 408 'to 408' 69 388 LOAD_GLOBAL print 390 LOAD_STR 'Error: ' 392 LOAD_FAST 'i' 394 LOAD_ATTR message 396 FORMAT_VALUE 0 '' 398 BUILD_STRING_2 2 '' 400 CALL_FUNCTION_1 1 '' 402 POP_TOP 404 POP_BLOCK 406 BEGIN_FINALLY 408_0 COME_FROM_FINALLY 386 '386' 408 LOAD_CONST None 410 STORE_FAST 'i' 412 DELETE_FAST 'i' 414 END_FINALLY 416 POP_EXCEPT 418 JUMP_FORWARD 474 'to 474' 70 420 DUP_TOP 422 LOAD_GLOBAL errors 424 LOAD_ATTR RPCError 426 COMPARE_OP exception-match 428 POP_JUMP_IF_FALSE 472 'to 472' 432 POP_TOP 434 STORE_FAST 'a' 436 POP_TOP 438 SETUP_FINALLY 460 'to 460' 71 440 LOAD_GLOBAL print 442 LOAD_STR 'Error: ' 444 LOAD_FAST 'a' 446 LOAD_ATTR message 448 FORMAT_VALUE 0 '' 450 BUILD_STRING_2 2 '' 452 CALL_FUNCTION_1 1 '' 454 POP_TOP 456 POP_BLOCK 458 BEGIN_FINALLY 460_0 COME_FROM_FINALLY 438 '438' 460 LOAD_CONST None 462 STORE_FAST 'a' 464 DELETE_FAST 'a' 466 END_FINALLY 468 POP_EXCEPT 470 JUMP_FORWARD 474 'to 474' 472 END_FINALLY 474_0 COME_FROM 470 '470' 474_1 COME_FROM 418 '418' 474_2 COME_FROM 366 '366' 474_3 COME_FROM 330 '330' 474_4 COME_FROM 300 '300' 474_5 COME_FROM 240 '240' 474_6 COME_FROM 130 '130' 72 474 LOAD_FAST 'j' 476 LOAD_FAST 'k' 478 BINARY_ADD 480 STORE_FAST 'j' 73 482 LOAD_CONST 0 484 STORE_FAST 'k' 486 JUMP_BACK 98 'to 98' 74 488 LOAD_GLOBAL system 490 LOAD_STR 'cls' 492 CALL_FUNCTION_1 1 '' 494 POP_TOP 75 496 LOAD_GLOBAL print 498 LOAD_CONST u'ID \u0430\u043a\u043a\u0430\u0443\u043d\u0442\u0430:' 500 LOAD_GLOBAL api_id 502 CALL_FUNCTION_2 2 '' 504 POP_TOP 76 506 LOAD_GLOBAL print 508 LOAD_CONST u'\u041e\u0442\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0438\u0306: ' 510 LOAD_FAST 'j' 512 CALL_FUNCTION_2 2 '' 514 POP_TOP 77 516 LOAD_GLOBAL sleep 518 LOAD_FAST 'delay' 520 CALL_FUNCTION_1 1 '' 522 POP_TOP 78 524 LOAD_FAST 'groups' 526 LOAD_METHOD clear 528 CALL_METHOD_0 0 '' 530 POP_TOP 532 JUMP_BACK 66 'to 66' 534 POP_BLOCK 536 BEGIN_FINALLY 538_0 COME_FROM_WITH 38 '38' 538 WITH_CLEANUP_START 540 WITH_CLEANUP_FINISH 542 END_FINALLY Parse error at or near `CALL_FINALLY' instruction at offset 282 if __name__ == '__main__': spammer(client) 

Looks like it's just a Telegram spammer.
The unicode strings are Russian prompts like:

Enter the delay between mailings (in seconds