Remove 3.7 from ci (#627)

* remove 3.7 from tests

* disable config setup through environment

Author: zigaLuksic

.github/workflows/ci_action.yml

@@ -77,7 +77,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.7"
           - "3.9"
           - "3.10"
         include:

io/eolearn/tests/conftest.py

@@ -33,10 +33,10 @@ def example_data_path_fixture():
 @pytest.fixture(name="config")
 def config_fixture():
     config = SHConfig()
-    for param in config.get_params():
-        env_variable = param.upper()
-        if os.environ.get(env_variable):
-            setattr(config, param, os.environ.get(env_variable))
+    # for param in config.get_params():
+    #     env_variable = param.upper()
+    #     if os.environ.get(env_variable):
+    #         setattr(config, param, os.environ.get(env_variable))
     return config