scan

Scan your project for deprecated AI library imports and suggest fixes.

Usage

env-doctor scan [PATH]

If no path is provided, scans the current directory.

What It Detects

LangChain Deprecations

• Old import paths from langchain
• Migration to langchain-core, langchain-community, etc.

Pydantic V1 → V2

• Deprecated validator syntax
• Old import paths

Other Library Changes

• TensorFlow 1.x patterns
• PyTorch deprecated APIs

Example Output

🔍 SCANNING PROJECT: ./my_project

📁 Files scanned: 47
📝 Issues found: 3

------------------------------------------------------------

src/chains/qa.py:12
  ❌ Deprecated import: from langchain.chat_models import ChatOpenAI
  ✅ Replace with: from langchain_openai import ChatOpenAI

src/chains/qa.py:15
  ❌ Deprecated import: from langchain.embeddings import OpenAIEmbeddings
  ✅ Replace with: from langchain_openai import OpenAIEmbeddings

src/models/user.py:8
  ⚠️  Pydantic V1 syntax: @validator
  ✅ Replace with: @field_validator (Pydantic V2)

SUMMARY:
  ❌ Errors:   2
  ⚠️  Warnings: 1

Scan Patterns

LangChain

Old Import	New Import
langchain.chat_models	langchain_openai or langchain_anthropic
langchain.embeddings	langchain_openai
langchain.vectorstores	langchain_community.vectorstores
langchain.document_loaders	langchain_community.document_loaders

Pydantic

V1 Syntax	V2 Syntax
@validator	@field_validator
@root_validator	@model_validator
class Config:	model_config = ConfigDict(...)

Excluding Files

The scan automatically excludes:

• .git/
• __pycache__/
• node_modules/
• .venv/, venv/
• *.pyc, *.pyo

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Advanced Options

JSON Output

env-doctor scan --json

See Also

• check - Environment diagnosis