Export Client constants for external use

Signed-off-by: camille-bouvy-frequenz <[email protected]>

Author: camille-bouvy-frequenz

src/frequenz/client/electricity_trading/__init__.py

@@ -179,7 +179,14 @@ async def stream_trades():
 
 """
 
-from ._client import Client
+from ._client import (
+    MAX_PRICE,
+    MIN_PRICE,
+    MIN_QUANTITY_MW,
+    PRECISION_DECIMAL_PRICE,
+    PRECISION_DECIMAL_QUANTITY,
+    Client,
+)
 from ._types import (
     Currency,
     DeliveryArea,
@@ -231,4 +238,9 @@ async def stream_trades():
     "StateReason",
     "Trade",
     "TradeState",
+    "MAX_PRICE",
+    "MIN_PRICE",
+    "MIN_QUANTITY_MW",
+    "PRECISION_DECIMAL_QUANTITY",
+    "PRECISION_DECIMAL_PRICE",
 ]