[7.4.1.dev2] Update imports from elasticsearch -> elasticsearch7

elasticsearch7_dsl/connections.py

@@ -15,7 +15,7 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
-from elasticsearch import Elasticsearch, __version__
+from elasticsearch7 import Elasticsearch, __version__
 from six import string_types
 
 from .serializer import serializer

tests/test_connections.py

@@ -15,7 +15,7 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
-from elasticsearch import Elasticsearch
+from elasticsearch7 import Elasticsearch
 from pytest import raises
 
 from elasticsearch7_dsl import connections, serializer

tests/test_integration/test_document.py

@@ -20,7 +20,7 @@
 from ipaddress import ip_address
 
 import pytest
-from elasticsearch import ConflictError, NotFoundError
+from elasticsearch7 import ConflictError, NotFoundError
 from pytest import raises
 from pytz import timezone
 

tests/test_integration/test_search.py

@@ -20,7 +20,7 @@
 
 import warnings
 
-from elasticsearch import TransportError
+from elasticsearch7 import TransportError
 from pytest import raises
 
 from elasticsearch7_dsl import Date, Document, Keyword, MultiSearch, Q, Search, Text