Sprite Won't Render

# Note that qp is .begin'd before this, so that isn't the issue

def draw(self, game, qp):  # When called, draws its "sprite" attribute using qp. Qp should be a QPainter.
    if self is game.player:  # For a sprite which is the player (rendered in the centre of the window)
        geom = game.geometry()  # Get the size of the game window to find the centre
        sprite = self.sprite  # May be the problem (an empty image), but I would think that would raise an error
                              # when the image is loaded
        r = self.rotation  # The rotation in degrees of the current sprite

        dx = 10*sprite.width()  # x-offset of opposing corner
        dy = 10*sprite.height()  # y-offset of opposing corner
        qp.save()  # Record the current transformation (at least, that's what it seems to do)
        qp.translate(geom.width()/2, geom.height()/2)  # Go to the center of the canvas
        qp.rotate(r)  # Rotate the image accordingly

        rec = QRect(-dx/20, -dy/20, dx, dy)  # The area where the sprite should be drawn (I, frankly, have no clue
                                             # why this is the way it is, but it worked in the other one I made)

        qp.drawImage(rec, sprite, game.rect)  # Draw the image on the game (game.rect is the rect() method of any
                                              # paint event that occurs, to keep everything lined up)

        qp.restore()  # Revert the transformations so that subsequent drawings are in the right location

    else:  # For any other non-player sprite
        transformed = pos_transform(game.player.position, self.position)  # pos_transform is used for relative
                                                                          # positioning based on a fixed point
        x = transformed.x  # pos_transform returns a point with the attributes x and y
        y = transformed.y

        # From this point on, future code will only finish if the sprite falls in the game geometry, such as to be
        # more efficient
        sprite = self.sprite  # Again, a QImage
        r = self.rotation  # The rotation in degrees of the current sprite

        dx = 10*sprite.width()  # x-offset
        dy = 10*sprite.height()  # y-offset
        qp.save()  # Save transformation
        qp.translate(x, y)  # Go to the proper location
        qp.rotate(r)  # Rotation

        rec = QRect(-dx/20, -dy/20, dx, dy)  # Still don't know why this works

        qp.drawImage(rec, sprite, game.rect)  # Draw the image

        qp.restore()  # Revert the transformations