Apply suggestions from code review

Co-authored-by: Steven Yuen <steven.yuen@datadoghq.com>

Author: L3n41c

agent_requirements.in

@@ -93,7 +93,8 @@ requests-ntlm==1.2.0; python_version > '3.0'
 requests-oauthlib==1.3.1; python_version < '3.0'
 requests-oauthlib==2.0.0; python_version > '3.0'
 requests-toolbelt==1.0.0
-requests-unixsocket2==0.4.0
+requests-unixsocket==0.3.0; python_version < '3.0'
+requests-unixsocket2==0.4.0; python_version > '3.0'
 requests==2.27.1; python_version < '3.0'
 requests==2.32.3; python_version > '3.0'
 rethinkdb==2.4.9

datadog_checks_base/pyproject.toml

@@ -62,7 +62,8 @@ deps = [
     "pyyaml==5.4.1; python_version < '3.0'",
     "pyyaml==6.0.1; python_version > '3.0'",
     "requests-toolbelt==1.0.0",
-    "requests-unixsocket2==0.4.0",
+    "requests-unixsocket==0.3.0; python_version < '3.0'",
+    "requests-unixsocket2==0.4.0; python_version > '3.0'",
     "requests==2.27.1; python_version < '3.0'",
     "requests==2.32.3; python_version > '3.0'",
     "simplejson==3.19.2",