code: def build_img_src(proj, img_type="projections"):
      return "../static/images/{}/{}.png".format(
          img_type, "_".join(proj.split(" "))
      )
  
imports: import json
  import dash_bootstrap_components
  import dash_colorscales
  import dash_daq
  import os
  import plotly
  from pkg_resources import parse_version
  from six import PY3
  from dtale.dash_application import dcc, html
  import dtale.dash_application.custom_geojson
  import dtale.dash_application.extended_aggregations
  import dtale.global_state
  from dtale.charts.utils import AGGS, ANIMATION_CHARTS, ANIMATE_BY_CHARTS, YAXIS_CHARTS, ZAXIS_CHARTS, NON_EXT_AGGREGATION, build_final_cols, find_group_vals
  from dtale.column_builders import get_cleaner_configs
  from dtale.constants import CHART_JOINER_CHAR
  from dtale.dash_application.layout.utils import build_input, build_option, build_tab, build_cols, build_hoverable, build_selections, show_style, FREQS, FREQ_LABELS
  from dtale.translations import text
  from dtale.query import build_query, handle_predefined, inner_build_query, run_query
  from dtale.utils import ChartBuildingError, classify_type, coord_type, get_dtypes, is_app_root_defined, make_list
label_desc: Use image node_id 8 for calling a global function with example usage: build_img_src(proj, img_type) and returns: str