Allow url dependencies in multiple constraints dependencies

poetry/core/json/schemas/poetry-schema.json

@@ -496,6 +496,9 @@
                     },
                     {
                         "$ref": "#/definitions/path-dependency"
+                    },
+                    {
+                        "$ref": "#/definitions/url-dependency"
                     }
                 ]
             }

tests/json/test_poetry_schema.py

@@ -0,0 +1,44 @@
+import pytest
+
+from poetry.core.json import validate_object
+
+
+@pytest.fixture
+def base_object():
+    return {
+        "name": "myapp",
+        "version": "1.0.0",
+        "description": "Some description.",
+        "dependencies": {"python": "^3.6"},
+        "dev-dependencies": {},
+    }
+
+
+@pytest.fixture
+def multi_url_object():
+    return {
+        "name": "myapp",
+        "version": "1.0.0",
+        "description": "Some description.",
+        "dependencies": {
+            "python": [
+                {
+                    "url": "https://download.pytorch.org/whl/cpu/torch-1.4.0%2Bcpu-cp37-cp37m-linux_x86_64.whl",
+                    "platform": "linux",
+                },
+                {"path": "../foo", "platform": "darwin"},
+            ]
+        },
+        "dev-dependencies": {},
+    }
+
+
+def test_path_dependencies(base_object):
+    base_object["dependencies"].update({"foo": {"path": "../foo"}})
+    base_object["dev-dependencies"].update({"foo": {"path": "../foo"}})
+
+    assert len(validate_object(base_object, "poetry-schema")) == 0
+
+
+def test_multi_url_dependencies(multi_url_object):
+    assert len(validate_object(multi_url_object, "poetry-schema")) == 0