Change to SPDX conform license string
diff --git a/requests/__version__.py b/requests/__version__.py
index 5063c3f8ee..d206427e50 100644
--- a/requests/__version__.py
+++ b/requests/__version__.py
@@ -9,6 +9,6 @@
 __build__ = 0x023100
 __author__ = "Kenneth Reitz"
 __author_email__ = "me@kennethreitz.org"
-__license__ = "Apache 2.0"
+__license__ = "Apache-2.0"
 __copyright__ = "Copyright Kenneth Reitz"
 __cake__ = "\u2728 \U0001f370 \u2728"

I suggest to change the license string in the package information to an [SPDX parsable license expression](https://spdx.org/licenses/).
This makes it easier for downstream users to get the license information directly from the package metadata.