4 files changed, 4 insertions, 4 deletions
diff --git a/lib/sqlalchemy/databases/access.py b/lib/sqlalchemy/databases/access.py
index 7edf68de8..67af4a7a4 100644
--- a/lib/sqlalchemy/databases/access.py
+++ b/lib/sqlalchemy/databases/access.py
@@ -346,7 +346,7 @@ class AccessCompiler(compiler.DefaultCompiler):
         return binary.operator == '%' and 'mod' or binary.operator
 
     def label_select_column(self, select, column, asfrom):
-        if isinstance(column, expression._Function):
+        if isinstance(column, expression.Function):
             return column.label()
         else:
             return super(AccessCompiler, self).label_select_column(select, column, asfrom)
diff --git a/lib/sqlalchemy/databases/maxdb.py b/lib/sqlalchemy/databases/maxdb.py
index 64b81482e..693295054 100644
--- a/lib/sqlalchemy/databases/maxdb.py
+++ b/lib/sqlalchemy/databases/maxdb.py
@@ -867,7 +867,7 @@ class MaxDBCompiler(compiler.DefaultCompiler):
 
         colparams = self._get_colparams(insert)
         for value in (insert.parameters or {}).itervalues():
-            if isinstance(value, sql_expr._Function):
+            if isinstance(value, sql_expr.Function):
                 self._safeserial = False
                 break
 
diff --git a/lib/sqlalchemy/databases/mssql.py b/lib/sqlalchemy/databases/mssql.py
index 60eb0dfe1..9467c1088 100644
--- a/lib/sqlalchemy/databases/mssql.py
+++ b/lib/sqlalchemy/databases/mssql.py
@@ -1522,7 +1522,7 @@ class MSSQLCompiler(compiler.DefaultCompiler):
             return super(MSSQLCompiler, self).visit_insert(insert_stmt)
 
     def label_select_column(self, select, column, asfrom):
-        if isinstance(column, expression._Function):
+        if isinstance(column, expression.Function):
             return column.label(None)
         else:
             return super(MSSQLCompiler, self).label_select_column(select, column, asfrom)
diff --git a/lib/sqlalchemy/databases/sybase.py b/lib/sqlalchemy/databases/sybase.py
index 652f6d8a7..3cc97e9c4 100644
--- a/lib/sqlalchemy/databases/sybase.py
+++ b/lib/sqlalchemy/databases/sybase.py
@@ -767,7 +767,7 @@ class SybaseSQLCompiler(compiler.DefaultCompiler):
             return super(SybaseSQLCompiler, self).visit_binary(binary)
 
     def label_select_column(self, select, column, asfrom):
-        if isinstance(column, expression._Function):
+        if isinstance(column, expression.Function):
             return column.label(None)
         else:
             return super(SybaseSQLCompiler, self).label_select_column(select, column, asfrom)