Bug 1650306 - Address the defects found by the pylint/no-else-return rule. r=sylvestre

Differential Revision: https://phabricator.services.mozilla.com/D82508

client.py

@@ -107,8 +107,7 @@ def get_trailing_blank_line_state(depname):
 
     if not lines[-1].strip():
         return "has blank line"
-    else:
-        return "no blank line"
+    return "no blank line"
 
 
 def update_nspr_or_nss(tag, depfile, destination, hgpath):

security/manager/ssl/tests/unit/pykey.py

@@ -819,8 +819,8 @@ def keyFromSpecification(specification):
     """Pass in a specification, get the appropriate key back."""
     if specification.startswith('secp'):
         return ECCKey(specification)
-    else:
-        return RSAKey(specification)
+    return RSAKey(specification)
+
 
 # The build harness will call this function with an output file-like
 # object and a path to a file containing a specification. This will

security/manager/ssl/tests/unit/sign_app.py

@@ -37,12 +37,12 @@ def coseAlgorithmToPykeyHash(algorithm):
     and returns the corresponding pykey.HASH_* identifier."""
     if algorithm == ES256:
         return pykey.HASH_SHA256
-    elif algorithm == ES384:
+    if algorithm == ES384:
         return pykey.HASH_SHA384
-    elif algorithm == ES512:
+    if algorithm == ES512:
         return pykey.HASH_SHA512
-    else:
-        raise UnknownCOSEAlgorithmError(algorithm)
+    raise UnknownCOSEAlgorithmError(algorithm)
+
 
 # COSE_Signature = [
 #     protected : serialized_map,