fix pyproject.toml

.circleci/config.yml

@@ -12,7 +12,7 @@ commands:
       - run:
           command: |
             pip install -r requirements.txt
-            pip install -U pytest-xdist pytest-cov pytest pytest-forked pluggy py opentracing
+            pip install -U pytest-xdist pytest-cov pytest pytest-forked pluggy py
             pip install .
   unit_test:
     description: Run the unit tests

pyproject.toml

@@ -99,7 +99,7 @@ disable = '''
 [tool.coverage.run]
 branch = true
 source = ["satella"]
-concurrency = "thread"
+concurrency = ["thread"]
 omit= [
   "tests/*",
   ".eggs/*",

requirements.txt

@@ -2,3 +2,4 @@ psutil
 pyyaml
 toml
 requests
+opentracing