chore(pyspark): factor out some repeatedly used properties

ibis/backends/pyspark/__init__.py

@@ -11,7 +11,6 @@
 import sqlglot.expressions as sge
 from packaging.version import parse as vparse
 from pyspark import SparkConf
-from pyspark.errors import AnalysisException
 from pyspark.sql import SparkSession
 from pyspark.sql.types import BooleanType, DoubleType, LongType, StringType
 
@@ -32,8 +31,10 @@
 from ibis.util import deprecated
 
 try:
+    from pyspark.errors import AnalysisException
     from pyspark.errors import ParseException as PySparkParseException
 except ImportError:
+    from pyspark.sql.utils import AnalysisException
     from pyspark.sql.utils import ParseException as PySparkParseException
 
 if TYPE_CHECKING:
@@ -413,11 +414,16 @@ def _register_udfs(self, expr: ir.Expr) -> None:
         self._session.udf.register("unwrap_json_float", unwrap_json_float)
 
     def _register_in_memory_table(self, op: ops.InMemoryTable) -> None:
-        schema = PySparkSchema.from_ibis(op.schema)
-        df = self._session.createDataFrame(data=op.data.to_frame(), schema=schema)
+        session = self._session
+        df = session.createDataFrame(
+            data=op.data.to_frame(), schema=PySparkSchema.from_ibis(op.schema)
+        )
+        name = op.name
+
         with contextlib.suppress(AnalysisException):
-            self._session.catalog.dropTempView(op.name)
-        df.createTempView(op.name)
+            session.catalog.dropTempView(name)
+
+        df.createTempView(name)
 
     def _finalize_memtable(self, name: str) -> None:
         self._session.catalog.dropTempView(name)