nozzle map api version gating for transfers

Author: CaseyBatten

api/src/opentrons/protocols/advanced_control/transfers.py

@@ -23,6 +23,9 @@
     from opentrons.protocol_api import InstrumentContext
     from opentrons.protocols.execution.dev_types import Dictable
 
+_PARTIAL_TIP_SUPPORT_ADDED = APIVersion(2, 18)
+"""The version after which partial tip support and nozzle maps were made available."""
+
 
 class MixStrategy(enum.Enum):
     BOTH = enum.auto()
@@ -410,10 +413,14 @@ def __init__(
         # then avoid iterating through its Wells.
         # ii. if using single channel pipettes, flatten a multi-dimensional
         # list of Wells into a 1 dimensional list of Wells
+        pipette_configuration_type = NozzleConfigurationType.FULL
+        if self._api_version >= _PARTIAL_TIP_SUPPORT_ADDED:
+            pipette_configuration_type = (
+                self._instr._core.get_nozzle_map().configuration
+            )
         if (
             self._instr.channels > 1
-            and self._instr._core.get_nozzle_map().configuration
-            == NozzleConfigurationType.FULL
+            and pipette_configuration_type == NozzleConfigurationType.FULL
         ):
             sources, dests = self._multichannel_transfer(sources, dests)
         else: