Some more `import` fixes

Removing unused imports in a few modules as well as converting a few
more tuple imports to multi-line style.

We should prolly consider a linter as part of pre-merge machinery;
I noticed a few pretty low hanging pep8 violations just spelunking rando
modules ;)

skynet/config.py

@@ -3,8 +3,6 @@
 import os
 import toml
 
-from pathlib import Path
-
 from .constants import DEFAULT_CONFIG_PATH
 
 

skynet/constants.py

@@ -1,22 +1,24 @@
 #!/usr/bin/python
+import msgspec
+from typing import Literal
 
 VERSION = '0.1a12'
 
 DOCKER_RUNTIME_CUDA = 'skynet:runtime-cuda'
 
-import msgspec
-from typing import Literal
 
 class Size(msgspec.Struct):
     w: int
     h: int
 
+
 class ModelDesc(msgspec.Struct):
     short: str
     mem: float
     size: Size
     tags: list[Literal['txt2img', 'img2img', 'inpaint']]
 
+
 MODELS: dict[str, ModelDesc] = {
     'runwayml/stable-diffusion-v1-5': ModelDesc(
         short='stable',

skynet/frontend/discord/__init__.py

@@ -8,11 +8,18 @@ import asyncio
 from decimal import Decimal
 from hashlib import sha256
 from datetime import datetime
-from contextlib import ExitStack, AsyncExitStack
+from contextlib import (
+    ExitStack,
+    AsyncExitStack,
+)
 from contextlib import asynccontextmanager as acm
 
 from leap.cleos import CLEOS
-from leap.sugar import Name, asset_from_str, collect_stdout
+from leap.sugar import (
+    Name,
+    asset_from_str,
+    collect_stdout,
+)
 from leap.hyperion import HyperionAPI
 # from telebot.types import InputMediaPhoto
 

skynet/utils.py

@@ -9,9 +9,7 @@ import logging
 import importlib
 
 from typing import Optional
-from pathlib import Path
 
-import trio
 import torch
 import numpy as np
 
@@ -112,6 +110,7 @@ def pipeline_for(
         return custom_pipeline.pipeline_for(model, mode, mem_fraction=mem_fraction, cache_dir=cache_dir)
 
     except ImportError:
+        # TODO, uhh why not warn/error log this?
         ...
 
 
@@ -159,7 +158,7 @@ def pipeline_for(
         if mode == 'txt2img':
             pipe.vae.enable_tiling()
             pipe.vae.enable_slicing()
-        
+
         pipe.enable_model_cpu_offload()
 
     else: