config: restore default region to REG_CN; examples: set crypto region explicitly in long-short crypto workflow\n\n- Revert default client region to REG_CN to keep CI and examples aligned with CN data\n- Crypto examples now pass region=REG_CRYPTO explicitly\n\nIntended to stabilize CI for PR #1986

Author: Codex CLI

examples/workflow_by_code_longshort_crypto.py

@@ -13,6 +13,7 @@
 import os
 import qlib
 from qlib.utils import init_instance_by_config, flatten_dict
+from qlib.constant import REG_CRYPTO
 
 
 if __name__ == "__main__":
@@ -32,7 +33,8 @@
 
     # Initialize with crypto perp data provider (ensure this path exists in your env)
     PROVIDER_URI = "~/.qlib/qlib_data/crypto_data_perp"
-    qlib.init(provider_uri=PROVIDER_URI, kernels=1)
+    # Use crypto-specific region to align trading rules/calendars with provider data
+    qlib.init(provider_uri=PROVIDER_URI, region=REG_CRYPTO, kernels=1)
 
     # Auto-select benchmark by data source: cn_data -> SH000300; crypto -> BTCUSDT
     # Fallback: if path not resolvable, default to SH000300 for safety

qlib/config.py

@@ -275,7 +275,7 @@ def register_from_C(config, skip_register=True):
         # serversS(such as PAI) [auto_mount:True]
         "timeout": 100,
         "logging_level": logging.INFO,
-        "region": REG_CRYPTO,
+        "region": REG_CN,
         # custom operator
         # each element of custom_ops should be Type[ExpressionOps] or dict
         # if element of custom_ops is Type[ExpressionOps], it represents the custom operator class