Memory leakage

[Sepand Haghighi]

Description

It seems Python garbage collector cant automatically free up resources consumed by matplotlib

Steps/Code to Reproduce

from samila import *
for i in range(100):
    g = GenerativeImage()
    result = g.save_image("{}.png".format(i), depth=5)
    print(result)

Expected Behavior

Generate 100 images

Actual Behavior

Crash after 20-25

Operating System

Windows 10

Python Version

3.6.5

Samila Version (Use : samila.__version__)

0.4