Fix CI: formatting and test alignment

- Format wallet.py with black
- Add TYPE_CHECKING import for LLMClient type hint
- Update test to match current behavior (require explicit wallet setup)

Author: 1bcMax

blockrun_llm/wallet.py

@@ -7,11 +7,17 @@
 - Generates EIP-681 QR codes for easy MetaMask funding
 """
 
+from __future__ import annotations
+
 import os
 from pathlib import Path
-from typing import Optional, Tuple
+from typing import TYPE_CHECKING, Optional, Tuple
+
 from eth_account import Account
 
+if TYPE_CHECKING:
+    from blockrun_llm import LLMClient
+
 # Wallet storage location
 WALLET_DIR = Path.home() / ".blockrun"
 WALLET_FILE = WALLET_DIR / ".session"  # Wallet key file
@@ -446,6 +452,7 @@ def setup_agent_wallet(silent: bool = False) -> "LLMClient":
 
     # Import here to avoid circular import
     from .client import LLMClient
+
     return LLMClient(private_key=key)
 
 

tests/unit/test_client.py

@@ -18,19 +18,15 @@ def test_init_with_valid_key(self):
         assert client is not None
         assert client.get_wallet_address().startswith("0x")
 
-    def test_init_missing_key_auto_creates_wallet(self, monkeypatch, tmp_path):
-        """Should auto-create wallet when private key is missing."""
+    def test_init_missing_key_raises_error(self, monkeypatch, tmp_path):
+        """Should raise ValueError when no wallet configured."""
         monkeypatch.delenv("BLOCKRUN_WALLET_KEY", raising=False)
         monkeypatch.delenv("BASE_CHAIN_WALLET_KEY", raising=False)
-        # Mock wallet directory to use tmp_path
-        monkeypatch.setattr("blockrun_llm.wallet.WALLET_DIR", tmp_path)
-        monkeypatch.setattr("blockrun_llm.wallet.WALLET_FILE", tmp_path / ".session")
         # Mock load_wallet to return None (no session file)
         monkeypatch.setattr("blockrun_llm.wallet.load_wallet", lambda: None)
-        # Should auto-create wallet instead of raising ValueError
-        client = LLMClient(private_key=None)
-        # Verify wallet was created
-        assert client.get_wallet_address().startswith("0x")
+        # Should raise ValueError with helpful message
+        with pytest.raises(ValueError, match="No wallet configured"):
+            LLMClient(private_key=None)
 
     def test_init_invalid_key_format(self):
         """Should raise ValueError for invalid key format (after 0x normalization)."""