Do not install reqs when running inside conda

Author: adam-urbanczyk

setup.py

@@ -21,9 +21,10 @@
 is_rtd = "READTHEDOCS" in os.environ
 is_appveyor = "APPVEYOR" in os.environ
 is_azure = "CONDA_PY" in os.environ
+is_conda = "CONDA_PREFIX_1" in os.environ
 
-# Only include the installation dependencies if we are not running on RTD or AppVeyor
-if not is_rtd and not is_appveyor and not is_azure:
+# Only include the installation dependencies if we are not running on RTD or AppVeyor or in a conda env
+if not is_rtd and not is_appveyor and not is_azure and not is_conda:
     reqs = [
         "cadquery-ocp>=7.6,<7.7",
         "ezdxf",