Fix type hint

.github/workflows/typechecking.yml

@@ -0,0 +1,23 @@
+name: "Type Checking"
+
+on: push
+
+jobs:
+  typechecking:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/[email protected]
+      - name: Install Dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements-dev.txt
+          pip install mypy
+
+      - name: Run type checking
+        run: |
+          mypy -p pypika --python-version ${{ matrix.python-version }}

pypika/clickhouse/array.py

@@ -1,4 +1,5 @@
 import abc
+from typing import Union
 
 from pypika.terms import (
     Field,
@@ -32,16 +33,16 @@ def get_sql(self):
 class HasAny(Function):
     def __init__(
         self,
-        left_array: Array or Field,
-        right_array: Array or Field,
+        left_array: Union[Array, Field],
+        right_array: Union[Array, Field],
         alias: str = None,
         schema: str = None,
     ):
         self._left_array = left_array
         self._right_array = right_array
         self.alias = alias
         self.schema = schema
-        self.args = ()
+        self.args = tuple()
         self.name = "hasAny"
 
     def get_sql(self, with_alias=False, with_namespace=False, quote_char=None, dialect=None, **kwargs):
@@ -56,7 +57,7 @@ def get_sql(self, with_alias=False, with_namespace=False, quote_char=None, diale
 
 
 class _AbstractArrayFunction(Function, metaclass=abc.ABCMeta):
-    def __init__(self, array: Array or Field, alias: str = None, schema: str = None):
+    def __init__(self, array: Union[Array, Field], alias: str = None, schema: str = None):
         self.schema = schema
         self.alias = alias
         self.name = self.clickhouse_function()