fix: build-indicators.sh looks for setup.py and pyproject.toml (#2048)

* fix: build-indicators.sh looks for setup.py again

Reverting a premature change.

* fix: readability and future-proof

* fix: more readability

Author: dshemetov

jenkins/build-indicator.sh

@@ -17,4 +17,6 @@ source env/bin/activate
 pip install pip==23.0.1 --retries 10 --timeout 20
 pip install numpy --retries 10 --timeout 20
 pip install ../_delphi_utils_python/. --retries 10 --timeout 20
-[ ! -f pyproject.toml ] || pip install . --retries 10 --timeout 20
+if [ -f setup.py ] || [ -f pyproject.toml ]; then
+    pip install . --retries 10 --timeout 20
+fi