getting: Missing some input keys while implementing memory

[deepak-hl]

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Example Code

custom_prompt_template = """Generate your response exclusively from the provided context: {context}. You function as a chatbot specializing in delivering detailed answers to the User's Question: {query} ```, enclosed within triple backticks.
            Generate your answer in points in the following format:
            1. Point no 1
                1.1 Its subpoint in details
                1.2 More information if needed.
            2. Point no 2
                2.1 Its subpoint in details
                2.2 More information if needed.
            …
            N. Another main point.

            If you encounter a question for which you don't know the answer based on the predefined points, please respond with 'I don't know' and refrain from making up an answer.
            However, if the answer is not present in the predefined points, then Provide comprehensive information related to the user's query.
            Remember, your goal is to assist the user in the best way possible. If the question is unclear or ambiguous, you can ask for clarification.

            User's Question: ```{query} ```  
            AI Answer:"""
        input_variables=["context", "query"]


    
    PROMPT = PromptTemplate(template=custom_prompt_template, input_variables=input_variables)
    chain = LLMChain(llm=llm,prompt=PROMPT,verbose=True,memory=memory)
      ans = chain.invoke({
            "input": {
                "context": context,
                "query": query
            }
        })

### Description

  Getting below error:
self._validate_inputs(inputs)
  File "/home/hs/env/lib/python3.10/site-packages/langchain/chains/base.py", line 264, in _validate_inputs
    raise ValueError(f"Missing some input keys: {missing_keys}")
ValueError: Missing some input keys: {'context', 'query'}


### System Info

I am using Langchain 

[francruzdiconium]

I am having a similar issue. Any news on this?