switch to py3 on docs job (#4230)

* switch to py3 on docs job

* somehow unicode isn't a word

2 files changed, 5 insertions, 5 deletions

diff --git a/docs/hazmat/primitives/asymmetric/ec.rst b/docs/hazmat/primitives/asymmetric/ec.rst
index edcfdfcb..bbab2246 100644
--- a/docs/hazmat/primitives/asymmetric/ec.rst
+++ b/docs/hazmat/primitives/asymmetric/ec.rst
@@ -669,7 +669,7 @@ This sample demonstrates how to generate a private key and serialize it.
     ...     encryption_algorithm=serialization.BestAvailableEncryption(b'testpassword')
     ... )
     >>> serialized_private.splitlines()[0]
-    '-----BEGIN ENCRYPTED PRIVATE KEY-----'
+    b'-----BEGIN ENCRYPTED PRIVATE KEY-----'
 
 You can also serialize the key without a password, by relying on
 :class:`~cryptography.hazmat.primitives.serialization.NoEncryption`.
@@ -685,7 +685,7 @@ The public key is serialized as follows:
     ...     format=serialization.PublicFormat.SubjectPublicKeyInfo
     ... )
     >>> serialized_public.splitlines()[0]
-    '-----BEGIN PUBLIC KEY-----'
+    b'-----BEGIN PUBLIC KEY-----'
 
 This is the part that you would normally share with the rest of the world.
 
diff --git a/docs/hazmat/primitives/asymmetric/rsa.rst b/docs/hazmat/primitives/asymmetric/rsa.rst
index 46cc30af..635a4626 100644
--- a/docs/hazmat/primitives/asymmetric/rsa.rst
+++ b/docs/hazmat/primitives/asymmetric/rsa.rst
@@ -100,7 +100,7 @@ to serialize the key.
     ...    encryption_algorithm=serialization.BestAvailableEncryption(b'mypassword')
     ... )
     >>> pem.splitlines()[0]
-    '-----BEGIN ENCRYPTED PRIVATE KEY-----'
+    b'-----BEGIN ENCRYPTED PRIVATE KEY-----'
 
 It is also possible to serialize without encryption using
 :class:`~cryptography.hazmat.primitives.serialization.NoEncryption`.
@@ -113,7 +113,7 @@ It is also possible to serialize without encryption using
     ...    encryption_algorithm=serialization.NoEncryption()
     ... )
     >>> pem.splitlines()[0]
-    '-----BEGIN RSA PRIVATE KEY-----'
+    b'-----BEGIN RSA PRIVATE KEY-----'
 
 For public keys you can use
 :meth:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPublicKey.public_bytes`
@@ -128,7 +128,7 @@ to serialize the key.
     ...    format=serialization.PublicFormat.SubjectPublicKeyInfo
     ... )
     >>> pem.splitlines()[0]
-    '-----BEGIN PUBLIC KEY-----'
+    b'-----BEGIN PUBLIC KEY-----'
 
 Signing
 ~~~~~~~