Getting extremely confusing error even though all code seems to be okay, with correct syntax

Question

getting extremely confusing error even though all code seems to be okay, with correct syntax. Any help? Im pretty new to programming and Im getting this error when I run it, (Im using reple.it btw):

Traceback (most recent call last):
 File "main.py", line 3 in <module>
   from  PyQt5.QtWidgets import *
ImportError: libGL.so.1:cannot open shared object file:
no such file directory

and my code is:

import sys
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtWebEngineWidgets import *
 
 
class MainWindow(QMainWindow):
    def __init__(self):
        super(MainWindow, self).__init__()
        self.browser = QWebEngineView()
        self.browser.setUrl(QUrl('https://google.com'))
        self.setCentralWidget(self.browser)
        self.showMaximized()
 
        navbar = QToolBar()
        self.addToolBar(navbar)
        back_btn = QAction('Back', self)
        back_btn.triggered.connect(self.browser.back)
        navbar.addAction(back_btn)
 
        forward_btn = QAction('Forward', self)
        forward_btn.triggered.connect(self.browser.forward)
        navbar.addAction(forward_btn)
 
        reload_btn = QAction('Reload', self)
        reload_btn.triggered.connect(self.browser.reload)
        navbar.addAction(reload_btn)
 
        home_btn = QAction('Home', self)
        home_btn.triggered.connect(self.navigate_home)
        navbar.addAction(home_btn)
 
        self.url_bar = QLineEdit()
        self.url_bar.returnPressed.connect(self.navigate_to_url)
        navbar.addWidget(self.url_bar)
 
        self.browser.urlChanged.connect(self.update_url)
 
    def navigate_home(self):
        self.browser.setUrl(QUrl('https://google.com'))
 
    def navigate_to_url(self):
        url = self.url_bar.text()
        self.browser.setUrl(QUrl(url))
 
    def update_url(self, q):
        self.url_bar.setText(q.toString())
 
 
app = QApplication(sys.argv)
QApplication.setApplicationName("Adrians first browser")
window = MainWindow()
app.exec()

Any fixes? (Sorry if my question is stupid, I'm still new to coding

Answer 1

Your question is not that silly. Basically, libGL.so.1 is a dynamic-linked library, provided from package libgl1.

Assuming you're on Linux, on a Debian or Ubuntu machine, a first step would be:

sudo apt-get update
sudo apt-get install libgl1

That might not be sufficient, and in that case, silly or not, I strongly encourage you to Google the exact error: you would have found this answer, which gives you alternatives to solve your problem (if you're new to programming, it's something to keep in mind!).