I cannot sent a message content in chat(Beta)

|Code In Python|
import os
import openai
def open_file(filepath):
with open(filepath, ‘r’, encoding=‘utf-8’) as infile:
return infile.read()

openai.api_key = “■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ljrneTXi”
prompt = open_file(‘prompt_chat.txt’)

text=Kamil(Creator): " + input()
text=text.encode(“utf-8”).decode()

while text != “xxx”:
completion = openai.ChatCompletion.create(
model=“gpt-4”,
messages=[
{“role”: “system”, “content”: prompt},
{“role”: “user”, “content”: text }
],
temperature=0.9,
max_tokens=400,
frequency_penalty=0.2,
presence_penalty=0.2,

)
print(text)
print("Asistant: "+completion.choices[0].message.content)

text="Kamil(Creator): " + input()

|Output|
Hello
Kamil(Creator): Hello
Asistant:

*When I add the message manually on {“role”: “user”, “content”: “Hello” } it works.