Bug fix: unescape backslashes in regexes

Root problem is that there are too many backslashes in the SRA spec
itself.  See #1727

This was previously fixed for heavily-tested endpoints (get and post
order, etc), but was only recently discovered for the get-order-config
endpoint.

python-packages/sra_client/src/zero_ex/sra_client/models/relayer_api_asset_data_trade_info_schema.py

@@ -104,10 +104,10 @@ def min_amount(self, min_amount):
         :type: str
         """
         if min_amount is not None and not re.search(
-            r"^\\d+$", min_amount
+            r"^\d+$", min_amount
         ):  # noqa: E501
             raise ValueError(
-                r"Invalid value for `min_amount`, must be a follow pattern or equal to `/^\\d+$/`"
+                r"Invalid value for `min_amount`, must be a follow pattern or equal to `/^\d+$/`"
             )  # noqa: E501
 
         self._min_amount = min_amount
@@ -131,10 +131,10 @@ def max_amount(self, max_amount):
         :type: str
         """
         if max_amount is not None and not re.search(
-            r"^\\d+$", max_amount
+            r"^\d+$", max_amount
         ):  # noqa: E501
             raise ValueError(
-                r"Invalid value for `max_amount`, must be a follow pattern or equal to `/^\\d+$/`"
+                r"Invalid value for `max_amount`, must be a follow pattern or equal to `/^\d+$/`"
             )  # noqa: E501
 
         self._max_amount = max_amount

python-packages/sra_client/src/zero_ex/sra_client/models/relayer_api_order_config_payload_schema.py

@@ -160,10 +160,10 @@ def maker_asset_amount(self, maker_asset_amount):
                 "Invalid value for `maker_asset_amount`, must not be `None`"
             )  # noqa: E501
         if maker_asset_amount is not None and not re.search(
-            r"^\\d+$", maker_asset_amount
+            r"^\d+$", maker_asset_amount
         ):  # noqa: E501
             raise ValueError(
-                r"Invalid value for `maker_asset_amount`, must be a follow pattern or equal to `/^\\d+$/`"
+                r"Invalid value for `maker_asset_amount`, must be a follow pattern or equal to `/^\d+$/`"
             )  # noqa: E501
 
         self._maker_asset_amount = maker_asset_amount
@@ -191,10 +191,10 @@ def taker_asset_amount(self, taker_asset_amount):
                 "Invalid value for `taker_asset_amount`, must not be `None`"
             )  # noqa: E501
         if taker_asset_amount is not None and not re.search(
-            r"^\\d+$", taker_asset_amount
+            r"^\d+$", taker_asset_amount
         ):  # noqa: E501
             raise ValueError(
-                r"Invalid value for `taker_asset_amount`, must be a follow pattern or equal to `/^\\d+$/`"
+                r"Invalid value for `taker_asset_amount`, must be a follow pattern or equal to `/^\d+$/`"
             )  # noqa: E501
 
         self._taker_asset_amount = taker_asset_amount
@@ -315,10 +315,10 @@ def expiration_time_seconds(self, expiration_time_seconds):
                 "Invalid value for `expiration_time_seconds`, must not be `None`"
             )  # noqa: E501
         if expiration_time_seconds is not None and not re.search(
-            r"^\\d+$", expiration_time_seconds
+            r"^\d+$", expiration_time_seconds
         ):  # noqa: E501
             raise ValueError(
-                r"Invalid value for `expiration_time_seconds`, must be a follow pattern or equal to `/^\\d+$/`"
+                r"Invalid value for `expiration_time_seconds`, must be a follow pattern or equal to `/^\d+$/`"
             )  # noqa: E501
 
         self._expiration_time_seconds = expiration_time_seconds

python-packages/sra_client/src/zero_ex/sra_client/models/relayer_api_order_config_response_schema.py

@@ -78,10 +78,10 @@ def maker_fee(self, maker_fee):
                 "Invalid value for `maker_fee`, must not be `None`"
             )  # noqa: E501
         if maker_fee is not None and not re.search(
-            r"^\\d+$", maker_fee
+            r"^\d+$", maker_fee
         ):  # noqa: E501
             raise ValueError(
-                r"Invalid value for `maker_fee`, must be a follow pattern or equal to `/^\\d+$/`"
+                r"Invalid value for `maker_fee`, must be a follow pattern or equal to `/^\d+$/`"
             )  # noqa: E501
 
         self._maker_fee = maker_fee
@@ -109,10 +109,10 @@ def taker_fee(self, taker_fee):
                 "Invalid value for `taker_fee`, must not be `None`"
             )  # noqa: E501
         if taker_fee is not None and not re.search(
-            r"^\\d+$", taker_fee
+            r"^\d+$", taker_fee
         ):  # noqa: E501
             raise ValueError(
-                r"Invalid value for `taker_fee`, must be a follow pattern or equal to `/^\\d+$/`"
+                r"Invalid value for `taker_fee`, must be a follow pattern or equal to `/^\d+$/`"
             )  # noqa: E501
 
         self._taker_fee = taker_fee