Patitotective

import sys

from PyQt5.QtWidgets import (QApplication, QLabel, 
	QVBoxLayout, QWidget, QMainWindow,  
	QGridLayout, QDialog, QScrollBar, 
	QScrollArea, qApp)

from PyQt5 import QtGui, QtCore
from PyQt5.QtCore import Qt, QCoreApplication, QEvent

Patitotective

import sys
from PyQt5.QtWidgets import QFrame, QWidget, QHBoxLayout, QVBoxLayout, QLabel, QPushButton, QApplication, QMainWindow
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon
import collapsible_widget_resources

VERTICAL_ARROW_PATH = ":/vertical_arrow_collapsible.png"
HORIZONTAL_ARROW_PATH = ":/horizontal_arrow_collapsible.png"

Patitotective

import sys

from PyQt5.QtWidgets import QApplication, QMainWindow, QTextEdit, QMenu, QAction
from PyQt5.QtGui import QCursor
from PyQt5.QtCore import Qt

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.text_edit = QTextEdit()

Patitotective

import sys
import commonmark

from PyQt5.QtWidgets import QDialog, QWidget, QLabel, QApplication, QVBoxLayout, QTextBrowser
from PyQt5.QtCore import QObject, QThread, pyqtSignal, QTimer
from PyQt5.QtWebEngineWidgets import QWebEngineView

from github_markdown_style import GITHUB_MARKDOWN_STYLE

class CheckFileWorker(QObject):

Patitotective

import sys

from PyQt5.QtWidgets import QFrame, QHBoxLayout, QTextEdit, QPlainTextEdit, QWidget, QMainWindow, QApplication
from PyQt5.QtGui import QPainter, QTextFormat, QColor
from PyQt5.QtCore import QRect, QVariant, Qt

class NumberedLinesTextEdit(QFrame):
    class NumberBar(QWidget):

        def __init__(self, edit):