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import logging
import sys
import time
from asyncio import run
from binascii import hexlify
from pathlib import Path

from ipv8.configuration import ConfigBuilder, WalkerDefinition, Strategy, default_bootstrap_defs
from ipv8.peerdiscovery.community import DiscoveryCommunity
from ipv8.peerdiscovery.network import PeerObserver

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from __future__ import annotations

from typing import Type, TypeVar, cast

from pony.orm import Database
from pony.orm.core import EntityMeta  # This is a "secret" import


class UnboundEntityMeta(EntityMeta):
    """

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"""
In this example we have the  `important_protection` fixture,
 that SHOULD be called. It triggers "redefined-outer-name (W0621)" and
 "Redefining name '...' from outer scope".

This example shows that two types of errors could have been prevented
 by following the suggested Pylint definition, instead of ignoring the
 warning.

## The suggested definition

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from __future__ import annotations

from asyncio import StreamReader, StreamWriter, StreamReaderProtocol, get_running_loop, Transport
from typing import Mapping, Any

from ipv8.community import Community
from ipv8.messaging.lazy_payload import vp_compile, VariablePayload
from ipv8.peer import Peer

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"""
Python Dependency Find Version (pydepfindver.py)
=============================================

Brute force all known versions of your pip dependencies to see which ones work for your project.
 - Includes html report functionality.
 - Stores (intermediate) results in files so you can resume or quickly update for new releases of dependencies.
 - Uses venv.

An example for https://github.com/Tribler/py-ipv8:

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from asyncio import ensure_future, get_event_loop

from pyipv8.ipv8_service import IPv8
from pyipv8.ipv8.configuration import get_default_configuration


async def start_ipv8():
    # Create an IPv8 object with the default settings.
    ipv8 = IPv8(get_default_configuration())
    await ipv8.start()

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import os
import shutil

from attestation_tutorial_common import finish, http_get, http_post, start, urlstr, wait_for_list

# Remove the output of previous experiments.
if os.path.exists('./state_1'):
    shutil.rmtree('./state_1')
if os.path.exists('./state_2'):
    shutil.rmtree('./state_2')

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import os
import shutil

from attestation_tutorial_common import finish, http_get, http_post, start, urlstr, wait_for_list

# Remove the output of previous experiments.
if os.path.exists('./state_1'):
    shutil.rmtree('./state_1')
if os.path.exists('./state_2'):
    shutil.rmtree('./state_2')

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import six
from six.moves import xrange


class String(six.text_type):

    @staticmethod
    def as_raw_unicode(value=u""):
        if isinstance(value, six.text_type):
            return value

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import dis, os, struct, sys

from six import integer_types


unary_ops = {
    'UNARY_POSITIVE': '+%s',
    'UNARY_NEGATIVE': '-%s',
    'UNARY_NOT': 'not %s',
    'UNARY_CONVERT': '`%s`',