Why these imports are not grouped?

[failable]

Command: isort --profile b.py
Before b.py:

from a import Conversation as APIConversation
from a import (
    AnalysisRequest,
    AnalysisResponse,
    CryptoWikiRequest,
    CryptoWikiResponse,
    DispatchRequest,
    DispatchResponse,
    ExtractRequest,
    ExtractResponse,
    FallbackRequest,
    FallbackStreamResponse,
    SqlAssistantRequest,
    SqlAssistantResponse,
    GoogleSearchRequest,
    GoogleSearchStreamResponse,
    LinkingRequest,
    LinkingResponse,
    MoneyFlowRequest,
    MoneyFlowResponse,
    NewsAggregatorRequest,
    NewsAggregatorResponse,
    NewsHeadlinesRequest,
    NewsHeadlinesResponse,
    NewsRAGRequest,
    NewsRAGResponse,
    OOOO,
    PriceInfoRequest,
    PriceInfoStreamResponse,
    QuestionRequest,
    QuestionResponse,
    RAGRequest,
    RAGStreamResponse,
    RephraseRequest,
    RephraseResponse,
    SimilarityDispatchRequest,
    StreamResponse,
    TechnicalAnalystRequest,
    TechnicalAnalystStreamResponse,
    WalletProfileRequest,
    WalletProfileResponse,
    ZZZZ,
)

After b.py.

from a import OOOO, ZZZZ, AnalysisRequest, AnalysisResponse
from a import Conversation as APIConversation
from a import (
    CryptoWikiRequest,
    CryptoWikiResponse,
    DispatchRequest,
    DispatchResponse,
    ExtractRequest,
    ExtractResponse,
    FallbackRequest,
    FallbackStreamResponse,
    GoogleSearchRequest,
    GoogleSearchStreamResponse,
    LinkingRequest,
    LinkingResponse,
    MoneyFlowRequest,
    MoneyFlowResponse,
    NewsAggregatorRequest,
    NewsAggregatorResponse,
    NewsHeadlinesRequest,
    NewsHeadlinesResponse,
    NewsRAGRequest,
    NewsRAGResponse,
    PriceInfoRequest,
    PriceInfoStreamResponse,
    QuestionRequest,
    QuestionResponse,
    RAGRequest,
    RAGStreamResponse,
    RephraseRequest,
    RephraseResponse,
    SimilarityDispatchRequest,
    SqlAssistantRequest,
    SqlAssistantResponse,
    StreamResponse,
    TechnicalAnalystRequest,
    TechnicalAnalystStreamResponse,
    WalletProfileRequest,
    WalletProfileResponse,
)

a.py

class AnalysisRequest:
    pass


class AnalysisResponse:
    pass


class CryptoWikiRequest:
    pass


class CryptoWikiResponse:
    pass


class DispatchRequest:
    pass


class DispatchResponse:
    pass


class ExtractRequest:
    pass


class ExtractResponse:
    pass


class FallbackRequest:
    pass


class FallbackStreamResponse:
    pass


class SqlAssistantRequest:
    pass


class SqlAssistantResponse:
    pass


class GoogleSearchRequest:
    pass


class GoogleSearchStreamResponse:
    pass


class LinkingRequest:
    pass


class LinkingResponse:
    pass


class MoneyFlowRequest:
    pass


class MoneyFlowResponse:
    pass


class NewsAggregatorRequest:
    pass


class NewsAggregatorResponse:
    pass


class NewsHeadlinesRequest:
    pass


class NewsHeadlinesResponse:
    pass


class NewsRAGRequest:
    pass


class NewsRAGResponse:
    pass


class PriceInfoRequest:
    pass


class PriceInfoStreamResponse:
    pass


class QuestionRequest:
    pass


class QuestionResponse:
    pass


class RAGRequest:
    pass


class RAGStreamResponse:
    pass


class RephraseRequest:
    pass


class RephraseResponse:
    pass


class SimilarityDispatchRequest:
    pass


class StreamResponse:
    pass


class TechnicalAnalystRequest:
    pass


class TechnicalAnalystStreamResponse:
    pass


class WalletProfileRequest:
    pass


class WalletProfileResponse:
    pass


class Conversation:
    pass


class ZZZZ:
    pass


class OOOO:
    pass