constrain requests-oauthlib<2 for tweepy

[akrherz]

Checklist

• Used a static YAML file for the patch if possible (instructions).
• Only wrote code directly into generate_patch_json.py if absolutely necessary.
• Ran pre-commit run -a and ensured all files pass the linting checks.
• Ran python show_diff.py and posted the output as part of the PR.
• Modifications won't affect packages built in the future.

refs conda-forge/tweepy-feedstock#32

The dep solver is finding older tweepy releases with an unconstrained dep on requests-oauthlib

$ python show_diff.py 
================================================================================
================================================================================
linux-armv7l
================================================================================
================================================================================
win-32
win-32::tweepy-3.5.0-py27_0.tar.bz2
win-32::tweepy-3.5.0-py35_0.tar.bz2
win-32::tweepy-3.5.0-py36_0.tar.bz2
win-32::tweepy-3.6.0-py27_0.tar.bz2
win-32::tweepy-3.6.0-py35_0.tar.bz2
win-32::tweepy-3.6.0-py36_0.tar.bz2
-    "requests-oauthlib >=0.7.0",
+    "requests-oauthlib >=0.7.0,<2.0.0a0",
================================================================================
================================================================================
linux-ppc64le
================================================================================
================================================================================
osx-arm64
================================================================================
================================================================================
linux-aarch64
================================================================================
================================================================================
noarch
noarch::tweepy-3.10.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-3.7.0-py_0.tar.bz2
noarch::tweepy-3.8.0-py_0.tar.bz2
noarch::tweepy-3.9.0-pyh9f0ad1d_0.tar.bz2
noarch::tweepy-4.0.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.0.1-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.1.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.2.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.3.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.4.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.5.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.6.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.7.0-pyhd8ed1ab_0.tar.bz2
noarch::tweepy-4.8.0-pyhd8ed1ab_0.tar.bz2
-    "requests-oauthlib >=0.7.0",
+    "requests-oauthlib >=0.7.0,<2.0.0a0",
================================================================================
================================================================================
win-64
win-64::tweepy-3.5.0-py27_0.tar.bz2
win-64::tweepy-3.5.0-py35_0.tar.bz2
win-64::tweepy-3.5.0-py36_0.tar.bz2
win-64::tweepy-3.6.0-py27_0.tar.bz2
win-64::tweepy-3.6.0-py35_0.tar.bz2
win-64::tweepy-3.6.0-py36_0.tar.bz2
-    "requests-oauthlib >=0.7.0",
+    "requests-oauthlib >=0.7.0,<2.0.0a0",
================================================================================
================================================================================
osx-64
osx-64::tweepy-3.5.0-py27_0.tar.bz2
osx-64::tweepy-3.5.0-py35_0.tar.bz2
osx-64::tweepy-3.5.0-py36_0.tar.bz2
osx-64::tweepy-3.6.0-py27_0.tar.bz2
osx-64::tweepy-3.6.0-py35_0.tar.bz2
osx-64::tweepy-3.6.0-py36_0.tar.bz2
-    "requests-oauthlib >=0.7.0",
+    "requests-oauthlib >=0.7.0,<2.0.0a0",
================================================================================
================================================================================
linux-64
linux-64::tweepy-3.5.0-py27_0.tar.bz2
linux-64::tweepy-3.5.0-py35_0.tar.bz2
linux-64::tweepy-3.5.0-py36_0.tar.bz2
-    "requests-oauthlib >=0.7.0",
+    "requests-oauthlib >=0.7.0,<2.0.0a0",

cc: @conda-forge/tweepy

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe/meta.yaml) and found it was in an excellent condition.