Only use the constant if sp.min_fee is None (not when 0)

Author: jannotti

algosdk/transaction.py

@@ -368,7 +368,7 @@ def __init__(
             raise error.WrongAmountType
         self.close_remainder_to = close_remainder_to
         if not sp.flat_fee:
-            mf = sp.min_fee or constants.min_txn_fee
+            mf = constants.min_txn_fee if sp.min_fee is None else sp.min_fee
             self.fee = max(self.estimate_size() * self.fee, mf)
 
     def dictify(self):
@@ -479,7 +479,7 @@ def __init__(
         self.sprfkey = self._fixed_bytes64(sprfkey, 64)
 
         if not sp.flat_fee:
-            mf = sp.min_fee or constants.min_txn_fee
+            mf = constants.min_txn_fee if sp.min_fee is None else sp.min_fee
             self.fee = max(self.estimate_size() * self.fee, mf)
 
     def dictify(self):
@@ -864,7 +864,7 @@ def __init__(
         if self.decimals < 0 or self.decimals > constants.max_asset_decimals:
             raise error.OutOfRangeDecimalsError
         if not sp.flat_fee:
-            mf = sp.min_fee or constants.min_txn_fee
+            mf = constants.min_txn_fee if sp.min_fee is None else sp.min_fee
             self.fee = max(self.estimate_size() * self.fee, mf)
 
     def dictify(self):
@@ -1218,7 +1218,7 @@ def __init__(
         self.target = target
         self.new_freeze_state = new_freeze_state
         if not sp.flat_fee:
-            mf = sp.min_fee or constants.min_txn_fee
+            mf = constants.min_txn_fee if sp.min_fee is None else sp.min_fee
             self.fee = max(self.estimate_size() * self.fee, mf)
 
     def dictify(self):
@@ -1335,7 +1335,7 @@ def __init__(
         self.close_assets_to = close_assets_to
         self.revocation_target = revocation_target
         if not sp.flat_fee:
-            mf = sp.min_fee or constants.min_txn_fee
+            mf = constants.min_txn_fee if sp.min_fee is None else sp.min_fee
             self.fee = max(self.estimate_size() * self.fee, mf)
 
     def dictify(self):
@@ -1607,7 +1607,7 @@ def __init__(
             boxes, self.foreign_apps, self.index
         )
         if not sp.flat_fee:
-            mf = sp.min_fee or constants.min_txn_fee
+            mf = constants.min_txn_fee if sp.min_fee is None else sp.min_fee
             self.fee = max(self.estimate_size() * self.fee, mf)
 
     @staticmethod