Use new csv for unique installs

popcorn.py

@@ -249,10 +249,15 @@ def _(df_pkg_lazy: pl.LazyFrame):
 
 
 @app.cell
-def _(df_lazy: pl.LazyFrame):
-    df_unique_downloads = df_lazy.select(["date", "UniqueInstalls"]).collect()
+def _():
     (
-        lp.ggplot(df_unique_downloads, lp.aes("date", "UniqueInstalls"))
+        lp.ggplot(
+            pl.read_csv(
+                f"{DATA_CLEAN_DIR}/unique_installs.csv",
+                schema={"date": pl.Date, "unique": pl.UInt16},
+            ),
+            lp.aes("date", "unique"),
+        )
         + lp.geom_line()
         + lp.geom_smooth()
         + lp.labs(