Update apps/intro.py

apps/intro.py

@@ -24,8 +24,8 @@ def app():
                       unsafe_allow_html=True)
         installed_packages = pkg_resources.working_set 
         list_ = ""
-         for package in installed_packages:
-               list_ = list_ + f"{package.key}=={package.version}\n"
+        for package in installed_packages:
+            list_ = list_ + f"{package.key}=={package.version}\n"
         st.download_button('Download Requirements', list_, file_name='requirements.txt')
         st.write(' ')
         st.write(' ')