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chore: enable pyupgrade fixes (#1806)

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# What does this PR do?

The goal of this PR is code base modernization.

Schema reflection code needed a minor adjustment to handle UnionTypes
and collections.abc.AsyncIterator. (Both are preferred for latest Python
releases.)

Note to reviewers: almost all changes here are automatically generated
by pyupgrade. Some additional unused imports were cleaned up. The only
change worth of note can be found under `docs/openapi_generator` and
`llama_stack/strong_typing/schema.py` where reflection code was updated
to deal with "newer" types.

Signed-off-by: Ihar Hrachyshka <ihar.hrachyshka@gmail.com>
This commit is contained in:
Ihar Hrachyshka 2025-05-01 17:23:50 -04:00 • committed by GitHub
parent ffe3d0b2cd
commit 9e6561a1ec
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319 changed files with 2843 additions and 3033 deletions
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28
llama_stack/models/llama/llama4/generation.py
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@ -10,8 +10,8 @@ import json
import os
import sys
import time
from collections.abc import Callable, Generator
from pathlib import Path
from typing import Callable, Generator, List, Optional
import torch
import torch.nn.functional as F
@ -38,8 +38,8 @@ class Llama4:
ckpt_dir: str,
max_seq_len: int,
max_batch_size: int,
world_size: Optional[int] = None,
quantization_mode: Optional[QuantizationMode] = None,
world_size: int | None = None,
quantization_mode: QuantizationMode | None = None,
seed: int = 1,
):
if not torch.distributed.is_initialized():
@ -63,7 +63,7 @@ class Llama4:
ckpt_paths = sorted(Path(ckpt_dir).glob("*.pth"))
assert len(ckpt_paths) > 0, f"no checkpoint files found in {ckpt_dir}"
print(f"Loading a checkpoint (shards={len(ckpt_paths)}, current-mp-size={world_size})")
with open(Path(ckpt_dir) / "params.json", "r") as f:
with open(Path(ckpt_dir) / "params.json") as f:
params = json.loads(f.read())
model_args: ModelArgs = ModelArgs(
@ -117,15 +117,15 @@ class Llama4:
@torch.inference_mode()
def generate(
self,
llm_inputs: List[LLMInput],
llm_inputs: list[LLMInput],
temperature: float = 0.6,
top_p: float = 0.9,
max_gen_len: Optional[int] = None,
max_gen_len: int | None = None,
logprobs: bool = False,
echo: bool = False,
print_model_input: bool = False,
logits_processor: Optional[Callable[[torch.Tensor, torch.Tensor], torch.Tensor]] = None,
) -> Generator[List[GenerationResult], None, None]:
logits_processor: Callable[[torch.Tensor, torch.Tensor], torch.Tensor] | None = None,
) -> Generator[list[GenerationResult], None, None]:
if max_gen_len is None or max_gen_len == 0 or max_gen_len >= self.model.args.max_seq_len:
max_gen_len = self.model.args.max_seq_len - 1
@ -245,13 +245,13 @@ class Llama4:
def completion(
self,
contents: List[RawContent],
contents: list[RawContent],
temperature: float = 0.6,
top_p: float = 0.9,
max_gen_len: Optional[int] = None,
max_gen_len: int | None = None,
logprobs: bool = False,
echo: bool = False,
) -> Generator[List[GenerationResult], None, None]:
) -> Generator[list[GenerationResult], None, None]:
llm_inputs = [self.formatter.encode_content(c) for c in contents]
for result in self.generate(
llm_inputs=llm_inputs,
@ -267,13 +267,13 @@ class Llama4:
def chat_completion(
self,
messages_batch: List[List[RawMessage]],
messages_batch: list[list[RawMessage]],
temperature: float = 0.6,
top_p: float = 0.9,
max_gen_len: Optional[int] = None,
max_gen_len: int | None = None,
logprobs: bool = False,
echo: bool = False,
) -> Generator[List[GenerationResult], None, None]:
) -> Generator[list[GenerationResult], None, None]:
llm_inputs = [self.formatter.encode_dialog_prompt(messages) for messages in messages_batch]
for result in self.generate(
llm_inputs=llm_inputs,