Ursina nie daje mi tekstury z folderu

from ursina import *
def update():
    if held_keys['a']:
        ok.x -= 1 * 0.1
    if held_keys['d']:
        ok.x += 1 * 0.1
    if held_keys['s']:
        ok.y -= 1 * 0.1
    if held_keys['w']:
        ok.y += 1 * 0.1
sans_texture = load_texture('Users\robwi\PycharmProjects\pythonProject5\venv\Lib\site-packages\assets\Sans.png')
sans = Entity(model='quad', texture=sans_texture)
app = Ursina()
ok = Entity(model='quad', color=color.red, scale=(1, 4), position=(5, 4))
app.run()

from ursina import *

def update():
    if held_keys['a']:
        ok.x -= 1 * 0.1
    if held_keys['d']:
        ok.x += 1 * 0.1
    if held_keys['s']:
        ok.y -= 1 * 0.1
    if held_keys['w']:
        ok.y += 1 * 0.1

# Musi to być na początku modułu
app = Ursina()   

# trzeba zacząć ciąg od r"   bo występują znaki specjalne
sans_texture = load_texture(r'Users\robwi\PycharmProjects\pythonProject5\venv\Lib\site-packages\assets\Sans.png')

sans = Entity(model='quad', texture=sans_texture)
ok = Entity(model='quad', color=color.red, scale=(1, 4), position=(5, 4))

app.run()

C:\Users\robwi\PycharmProjects\pythonProject5\venv\Scripts\python.exe C:/Users/robwi/PycharmProjects/pythonProject5/main.py
package_folder: C:\Users\robwi\PycharmProjects\pythonProject5\venv\lib\site-packages\ursina
asset_folder: C:\Users\robwi\PycharmProjects\pythonProject5
screen resolution: (1920, 1080)
Known pipe types:
  wglGraphicsPipe
(3 aux display modules not yet loaded.)
:pnmimage:png(warning): iCCP: known incorrect sRGB profile
info: development mode: True
application successfully started
info: changed aspect ratio: 1.778 -> 1.778

Process finished with exit code 0

load_texture('venv\Lib\site-packages\assets\Sans.png')

from ursina import *

app = Ursina()

sans_texture = load_texture(r'C:\Users\robwi\PycharmProjects\pythonProject5\assets\Gladiator.jpg')

sans = Entity(model='cube', texture=sans_texture)

from ursina import *

def update():
    if held_keys['a']:
        ok.x -= 1 * 0.1
    if held_keys['d']:
        ok.x += 1 * 0.1
    if held_keys['s']:
        ok.y -= 1 * 0.1
    if held_keys['w']:
        ok.y += 1 * 0.1


app = Ursina()

sans_texture = load_texture(r'assets\Gladiator.jpg')
sans = Entity(model='quad', texture=sans_texture)

ok = Entity(model='quad', color=color.red, scale=(1, 4), position=(5, 4))
app.run()