Update model.py

fixed " character issue

model.py

@@ -1,6 +1,8 @@
 import os
-os.system("pip install 'unsloth[colab-new] @ git+https://github.com/unslothai/unsloth.git'")
-os.system("pip install --no-deps xformers "trl<0.9.0" peft accelerate bitsandbytes")
+str_cmd1 = 'pip install "unsloth[colab-new] @ git+https://github.com/unslothai/unsloth.git"
+str_cmd2 = 'pip install --no-deps xformers "trl<0.9.0" peft accelerate bitsandbytes'
+os.system(str_cmd1)
+os.system(str_cmd2)
 
 
 from unsloth import FastLanguageModel